diff --git a/google-cloud-secretmanager/src/main/java/com/google/cloud/secretmanager/v1/SecretManagerServiceClient.java b/google-cloud-secretmanager/src/main/java/com/google/cloud/secretmanager/v1/SecretManagerServiceClient.java
index 50a2e34c..02c5007c 100644
--- a/google-cloud-secretmanager/src/main/java/com/google/cloud/secretmanager/v1/SecretManagerServiceClient.java
+++ b/google-cloud-secretmanager/src/main/java/com/google/cloud/secretmanager/v1/SecretManagerServiceClient.java
@@ -235,6 +235,7 @@ public final ListSecretsPagedResponse listSecrets(String parent) {
    *           .setParent(ProjectName.of("[PROJECT]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   for (Secret element : secretManagerServiceClient.listSecrets(request).iterateAll()) {
    *     // doThingsWith(element);
@@ -263,6 +264,7 @@ public final ListSecretsPagedResponse listSecrets(ListSecretsRequest request) {
    *           .setParent(ProjectName.of("[PROJECT]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   ApiFuture<Secret> future =
    *       secretManagerServiceClient.listSecretsPagedCallable().futureCall(request);
@@ -292,6 +294,7 @@ public final ListSecretsPagedResponse listSecrets(ListSecretsRequest request) {
    *           .setParent(ProjectName.of("[PROJECT]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   while (true) {
    *     ListSecretsResponse response =
@@ -896,6 +899,7 @@ public final ListSecretVersionsPagedResponse listSecretVersions(String parent) {
    *           .setParent(SecretName.of("[PROJECT]", "[SECRET]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   for (SecretVersion element :
    *       secretManagerServiceClient.listSecretVersions(request).iterateAll()) {
@@ -927,6 +931,7 @@ public final ListSecretVersionsPagedResponse listSecretVersions(
    *           .setParent(SecretName.of("[PROJECT]", "[SECRET]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   ApiFuture<SecretVersion> future =
    *       secretManagerServiceClient.listSecretVersionsPagedCallable().futureCall(request);
@@ -957,6 +962,7 @@ public final ListSecretVersionsPagedResponse listSecretVersions(
    *           .setParent(SecretName.of("[PROJECT]", "[SECRET]").toString())
    *           .setPageSize(883849137)
    *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
    *           .build();
    *   while (true) {
    *     ListSecretVersionsResponse response =
diff --git a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequest.java b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequest.java
index 4b76bff4..796b3238 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequest.java
+++ b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequest.java
@@ -40,6 +40,7 @@ private ListSecretVersionsRequest(com.google.protobuf.GeneratedMessageV3.Builder
   private ListSecretVersionsRequest() {
     parent_ = "";
     pageToken_ = "";
+    filter_ = "";
   }
 
   @java.lang.Override
@@ -90,6 +91,13 @@ private ListSecretVersionsRequest(
               pageToken_ = s;
               break;
             }
+          case 34:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              filter_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -252,6 +260,63 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
     }
   }
 
+  public static final int FILTER_FIELD_NUMBER = 4;
+  private volatile java.lang.Object filter_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secret versions matching the filter. If filter is empty, all secret
+   * versions are listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      filter_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secret versions matching the filter. If filter is empty, all secret
+   * versions are listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -275,6 +340,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getPageTokenBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 3, pageToken_);
     }
+    if (!getFilterBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, filter_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -293,6 +361,9 @@ public int getSerializedSize() {
     if (!getPageTokenBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
     }
+    if (!getFilterBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, filter_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -312,6 +383,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getParent().equals(other.getParent())) return false;
     if (getPageSize() != other.getPageSize()) return false;
     if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getFilter().equals(other.getFilter())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -329,6 +401,8 @@ public int hashCode() {
     hash = (53 * hash) + getPageSize();
     hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
     hash = (53 * hash) + getPageToken().hashCode();
+    hash = (37 * hash) + FILTER_FIELD_NUMBER;
+    hash = (53 * hash) + getFilter().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -481,6 +555,8 @@ public Builder clear() {
 
       pageToken_ = "";
 
+      filter_ = "";
+
       return this;
     }
 
@@ -511,6 +587,7 @@ public com.google.cloud.secretmanager.v1.ListSecretVersionsRequest buildPartial(
       result.parent_ = parent_;
       result.pageSize_ = pageSize_;
       result.pageToken_ = pageToken_;
+      result.filter_ = filter_;
       onBuilt();
       return result;
     }
@@ -572,6 +649,10 @@ public Builder mergeFrom(com.google.cloud.secretmanager.v1.ListSecretVersionsReq
         pageToken_ = other.pageToken_;
         onChanged();
       }
+      if (!other.getFilter().isEmpty()) {
+        filter_ = other.filter_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -897,6 +978,132 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object filter_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secret versions matching the filter. If filter is empty, all secret
+     * versions are listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secret versions matching the filter. If filter is empty, all secret
+     * versions are listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secret versions matching the filter. If filter is empty, all secret
+     * versions are listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilter(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secret versions matching the filter. If filter is empty, all secret
+     * versions are listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFilter() {
+
+      filter_ = getDefaultInstance().getFilter();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secret versions matching the filter. If filter is empty, all secret
+     * versions are listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequestOrBuilder.java b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequestOrBuilder.java
index f0371d60..65998a8a 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequestOrBuilder.java
+++ b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretVersionsRequestOrBuilder.java
@@ -97,4 +97,37 @@ public interface ListSecretVersionsRequestOrBuilder
    * @return The bytes for pageToken.
    */
   com.google.protobuf.ByteString getPageTokenBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secret versions matching the filter. If filter is empty, all secret
+   * versions are listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secret versions matching the filter. If filter is empty, all secret
+   * versions are listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
 }
diff --git a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequest.java b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequest.java
index 74f76862..e434e6ba 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequest.java
+++ b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequest.java
@@ -40,6 +40,7 @@ private ListSecretsRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> bui
   private ListSecretsRequest() {
     parent_ = "";
     pageToken_ = "";
+    filter_ = "";
   }
 
   @java.lang.Override
@@ -90,6 +91,13 @@ private ListSecretsRequest(
               pageToken_ = s;
               break;
             }
+          case 34:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              filter_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -250,6 +258,63 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
     }
   }
 
+  public static final int FILTER_FIELD_NUMBER = 4;
+  private volatile java.lang.Object filter_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secrets matching the filter. If filter is empty, all secrets are
+   * listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      filter_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secrets matching the filter. If filter is empty, all secrets are
+   * listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -273,6 +338,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getPageTokenBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 3, pageToken_);
     }
+    if (!getFilterBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, filter_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -291,6 +359,9 @@ public int getSerializedSize() {
     if (!getPageTokenBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
     }
+    if (!getFilterBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, filter_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -310,6 +381,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getParent().equals(other.getParent())) return false;
     if (getPageSize() != other.getPageSize()) return false;
     if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getFilter().equals(other.getFilter())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -327,6 +399,8 @@ public int hashCode() {
     hash = (53 * hash) + getPageSize();
     hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
     hash = (53 * hash) + getPageToken().hashCode();
+    hash = (37 * hash) + FILTER_FIELD_NUMBER;
+    hash = (53 * hash) + getFilter().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -478,6 +552,8 @@ public Builder clear() {
 
       pageToken_ = "";
 
+      filter_ = "";
+
       return this;
     }
 
@@ -508,6 +584,7 @@ public com.google.cloud.secretmanager.v1.ListSecretsRequest buildPartial() {
       result.parent_ = parent_;
       result.pageSize_ = pageSize_;
       result.pageToken_ = pageToken_;
+      result.filter_ = filter_;
       onBuilt();
       return result;
     }
@@ -569,6 +646,10 @@ public Builder mergeFrom(com.google.cloud.secretmanager.v1.ListSecretsRequest ot
         pageToken_ = other.pageToken_;
         onChanged();
       }
+      if (!other.getFilter().isEmpty()) {
+        filter_ = other.filter_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -889,6 +970,132 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object filter_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secrets matching the filter. If filter is empty, all secrets are
+     * listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secrets matching the filter. If filter is empty, all secrets are
+     * listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secrets matching the filter. If filter is empty, all secrets are
+     * listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilter(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secrets matching the filter. If filter is empty, all secrets are
+     * listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFilter() {
+
+      filter_ = getDefaultInstance().getFilter();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter string, adhering to the rules in
+     * [List-operation
+     * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+     * only secrets matching the filter. If filter is empty, all secrets are
+     * listed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequestOrBuilder.java b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequestOrBuilder.java
index 73775df5..2f85d05b 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequestOrBuilder.java
+++ b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ListSecretsRequestOrBuilder.java
@@ -95,4 +95,37 @@ public interface ListSecretsRequestOrBuilder
    * @return The bytes for pageToken.
    */
   com.google.protobuf.ByteString getPageTokenBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secrets matching the filter. If filter is empty, all secrets are
+   * listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter string, adhering to the rules in
+   * [List-operation
+   * filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+   * only secrets matching the filter. If filter is empty, all secrets are
+   * listed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
 }
diff --git a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ServiceProto.java b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ServiceProto.java
index 89b94c03..48e7a44f 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ServiceProto.java
+++ b/proto-google-cloud-secretmanager-v1/src/main/java/com/google/cloud/secretmanager/v1/ServiceProto.java
@@ -105,129 +105,130 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "google/iam/v1/iam_policy.proto\032\032google/i"
           + "am/v1/policy.proto\032\033google/protobuf/empt"
           + "y.proto\032 google/protobuf/field_mask.prot"
-          + "o\"\212\001\n\022ListSecretsRequest\022C\n\006parent\030\001 \001(\t"
+          + "o\"\237\001\n\022ListSecretsRequest\022C\n\006parent\030\001 \001(\t"
           + "B3\340A\002\372A-\n+cloudresourcemanager.googleapi"
           + "s.com/Project\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n"
-          + "\npage_token\030\003 \001(\tB\003\340A\001\"z\n\023ListSecretsRes"
-          + "ponse\0226\n\007secrets\030\001 \003(\0132%.google.cloud.se"
-          + "cretmanager.v1.Secret\022\027\n\017next_page_token"
-          + "\030\002 \001(\t\022\022\n\ntotal_size\030\003 \001(\005\"\256\001\n\023CreateSec"
-          + "retRequest\022C\n\006parent\030\001 \001(\tB3\340A\002\372A-\n+clou"
-          + "dresourcemanager.googleapis.com/Project\022"
-          + "\026\n\tsecret_id\030\002 \001(\tB\003\340A\002\022:\n\006secret\030\003 \001(\0132"
-          + "%.google.cloud.secretmanager.v1.SecretB\003"
-          + "\340A\002\"\232\001\n\027AddSecretVersionRequest\022;\n\006paren"
-          + "t\030\001 \001(\tB+\340A\002\372A%\n#secretmanager.googleapi"
-          + "s.com/Secret\022B\n\007payload\030\002 \001(\0132,.google.c"
-          + "loud.secretmanager.v1.SecretPayloadB\003\340A\002"
-          + "\"M\n\020GetSecretRequest\0229\n\004name\030\001 \001(\tB+\340A\002\372"
-          + "A%\n#secretmanager.googleapis.com/Secret\""
-          + "\211\001\n\031ListSecretVersionsRequest\022;\n\006parent\030"
-          + "\001 \001(\tB+\340A\002\372A%\n#secretmanager.googleapis."
-          + "com/Secret\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\npa"
-          + "ge_token\030\003 \001(\tB\003\340A\001\"\211\001\n\032ListSecretVersio"
-          + "nsResponse\022>\n\010versions\030\001 \003(\0132,.google.cl"
-          + "oud.secretmanager.v1.SecretVersion\022\027\n\017ne"
-          + "xt_page_token\030\002 \001(\t\022\022\n\ntotal_size\030\003 \001(\005\""
-          + "[\n\027GetSecretVersionRequest\022@\n\004name\030\001 \001(\t"
-          + "B2\340A\002\372A,\n*secretmanager.googleapis.com/S"
-          + "ecretVersion\"\207\001\n\023UpdateSecretRequest\022:\n\006"
-          + "secret\030\001 \001(\0132%.google.cloud.secretmanage"
-          + "r.v1.SecretB\003\340A\002\0224\n\013update_mask\030\002 \001(\0132\032."
-          + "google.protobuf.FieldMaskB\003\340A\002\"^\n\032Access"
-          + "SecretVersionRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372"
-          + "A,\n*secretmanager.googleapis.com/SecretV"
-          + "ersion\"\233\001\n\033AccessSecretVersionResponse\022="
-          + "\n\004name\030\001 \001(\tB/\372A,\n*secretmanager.googlea"
-          + "pis.com/SecretVersion\022=\n\007payload\030\002 \001(\0132,"
-          + ".google.cloud.secretmanager.v1.SecretPay"
-          + "load\"c\n\023DeleteSecretRequest\0229\n\004name\030\001 \001("
-          + "\tB+\340A\002\372A%\n#secretmanager.googleapis.com/"
-          + "Secret\022\021\n\004etag\030\002 \001(\tB\003\340A\001\"r\n\033DisableSecr"
-          + "etVersionRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*"
-          + "secretmanager.googleapis.com/SecretVersi"
-          + "on\022\021\n\004etag\030\002 \001(\tB\003\340A\001\"q\n\032EnableSecretVer"
-          + "sionRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*secre"
-          + "tmanager.googleapis.com/SecretVersion\022\021\n"
-          + "\004etag\030\002 \001(\tB\003\340A\001\"r\n\033DestroySecretVersion"
-          + "Request\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*secretman"
-          + "ager.googleapis.com/SecretVersion\022\021\n\004eta"
-          + "g\030\002 \001(\tB\003\340A\0012\317\025\n\024SecretManagerService\022\246\001"
-          + "\n\013ListSecrets\0221.google.cloud.secretmanag"
-          + "er.v1.ListSecretsRequest\0322.google.cloud."
-          + "secretmanager.v1.ListSecretsResponse\"0\202\323"
-          + "\344\223\002!\022\037/v1/{parent=projects/*}/secrets\332A\006"
-          + "parent\022\264\001\n\014CreateSecret\0222.google.cloud.s"
-          + "ecretmanager.v1.CreateSecretRequest\032%.go"
-          + "ogle.cloud.secretmanager.v1.Secret\"I\202\323\344\223"
-          + "\002)\"\037/v1/{parent=projects/*}/secrets:\006sec"
-          + "ret\332A\027parent,secret_id,secret\022\302\001\n\020AddSec"
-          + "retVersion\0226.google.cloud.secretmanager."
-          + "v1.AddSecretVersionRequest\032,.google.clou"
-          + "d.secretmanager.v1.SecretVersion\"H\202\323\344\223\0021"
-          + "\",/v1/{parent=projects/*/secrets/*}:addV"
-          + "ersion:\001*\332A\016parent,payload\022\223\001\n\tGetSecret"
-          + "\022/.google.cloud.secretmanager.v1.GetSecr"
-          + "etRequest\032%.google.cloud.secretmanager.v"
-          + "1.Secret\".\202\323\344\223\002!\022\037/v1/{name=projects/*/s"
-          + "ecrets/*}\332A\004name\022\266\001\n\014UpdateSecret\0222.goog"
-          + "le.cloud.secretmanager.v1.UpdateSecretRe"
-          + "quest\032%.google.cloud.secretmanager.v1.Se"
-          + "cret\"K\202\323\344\223\00202&/v1/{secret.name=projects/"
-          + "*/secrets/*}:\006secret\332A\022secret,update_mas"
-          + "k\022\212\001\n\014DeleteSecret\0222.google.cloud.secret"
-          + "manager.v1.DeleteSecretRequest\032\026.google."
-          + "protobuf.Empty\".\202\323\344\223\002!*\037/v1/{name=projec"
-          + "ts/*/secrets/*}\332A\004name\022\306\001\n\022ListSecretVer"
-          + "sions\0228.google.cloud.secretmanager.v1.Li"
-          + "stSecretVersionsRequest\0329.google.cloud.s"
-          + "ecretmanager.v1.ListSecretVersionsRespon"
-          + "se\";\202\323\344\223\002,\022*/v1/{parent=projects/*/secre"
-          + "ts/*}/versions\332A\006parent\022\263\001\n\020GetSecretVer"
-          + "sion\0226.google.cloud.secretmanager.v1.Get"
-          + "SecretVersionRequest\032,.google.cloud.secr"
-          + "etmanager.v1.SecretVersion\"9\202\323\344\223\002,\022*/v1/"
-          + "{name=projects/*/secrets/*/versions/*}\332A"
-          + "\004name\022\316\001\n\023AccessSecretVersion\0229.google.c"
-          + "loud.secretmanager.v1.AccessSecretVersio"
-          + "nRequest\032:.google.cloud.secretmanager.v1"
-          + ".AccessSecretVersionResponse\"@\202\323\344\223\0023\0221/v"
+          + "\npage_token\030\003 \001(\tB\003\340A\001\022\023\n\006filter\030\004 \001(\tB\003"
+          + "\340A\001\"z\n\023ListSecretsResponse\0226\n\007secrets\030\001 "
+          + "\003(\0132%.google.cloud.secretmanager.v1.Secr"
+          + "et\022\027\n\017next_page_token\030\002 \001(\t\022\022\n\ntotal_siz"
+          + "e\030\003 \001(\005\"\256\001\n\023CreateSecretRequest\022C\n\006paren"
+          + "t\030\001 \001(\tB3\340A\002\372A-\n+cloudresourcemanager.go"
+          + "ogleapis.com/Project\022\026\n\tsecret_id\030\002 \001(\tB"
+          + "\003\340A\002\022:\n\006secret\030\003 \001(\0132%.google.cloud.secr"
+          + "etmanager.v1.SecretB\003\340A\002\"\232\001\n\027AddSecretVe"
+          + "rsionRequest\022;\n\006parent\030\001 \001(\tB+\340A\002\372A%\n#se"
+          + "cretmanager.googleapis.com/Secret\022B\n\007pay"
+          + "load\030\002 \001(\0132,.google.cloud.secretmanager."
+          + "v1.SecretPayloadB\003\340A\002\"M\n\020GetSecretReques"
+          + "t\0229\n\004name\030\001 \001(\tB+\340A\002\372A%\n#secretmanager.g"
+          + "oogleapis.com/Secret\"\236\001\n\031ListSecretVersi"
+          + "onsRequest\022;\n\006parent\030\001 \001(\tB+\340A\002\372A%\n#secr"
+          + "etmanager.googleapis.com/Secret\022\026\n\tpage_"
+          + "size\030\002 \001(\005B\003\340A\001\022\027\n\npage_token\030\003 \001(\tB\003\340A\001"
+          + "\022\023\n\006filter\030\004 \001(\tB\003\340A\001\"\211\001\n\032ListSecretVers"
+          + "ionsResponse\022>\n\010versions\030\001 \003(\0132,.google."
+          + "cloud.secretmanager.v1.SecretVersion\022\027\n\017"
+          + "next_page_token\030\002 \001(\t\022\022\n\ntotal_size\030\003 \001("
+          + "\005\"[\n\027GetSecretVersionRequest\022@\n\004name\030\001 \001"
+          + "(\tB2\340A\002\372A,\n*secretmanager.googleapis.com"
+          + "/SecretVersion\"\207\001\n\023UpdateSecretRequest\022:"
+          + "\n\006secret\030\001 \001(\0132%.google.cloud.secretmana"
+          + "ger.v1.SecretB\003\340A\002\0224\n\013update_mask\030\002 \001(\0132"
+          + "\032.google.protobuf.FieldMaskB\003\340A\002\"^\n\032Acce"
+          + "ssSecretVersionRequest\022@\n\004name\030\001 \001(\tB2\340A"
+          + "\002\372A,\n*secretmanager.googleapis.com/Secre"
+          + "tVersion\"\233\001\n\033AccessSecretVersionResponse"
+          + "\022=\n\004name\030\001 \001(\tB/\372A,\n*secretmanager.googl"
+          + "eapis.com/SecretVersion\022=\n\007payload\030\002 \001(\013"
+          + "2,.google.cloud.secretmanager.v1.SecretP"
+          + "ayload\"c\n\023DeleteSecretRequest\0229\n\004name\030\001 "
+          + "\001(\tB+\340A\002\372A%\n#secretmanager.googleapis.co"
+          + "m/Secret\022\021\n\004etag\030\002 \001(\tB\003\340A\001\"r\n\033DisableSe"
+          + "cretVersionRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372A,"
+          + "\n*secretmanager.googleapis.com/SecretVer"
+          + "sion\022\021\n\004etag\030\002 \001(\tB\003\340A\001\"q\n\032EnableSecretV"
+          + "ersionRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*sec"
+          + "retmanager.googleapis.com/SecretVersion\022"
+          + "\021\n\004etag\030\002 \001(\tB\003\340A\001\"r\n\033DestroySecretVersi"
+          + "onRequest\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*secretm"
+          + "anager.googleapis.com/SecretVersion\022\021\n\004e"
+          + "tag\030\002 \001(\tB\003\340A\0012\317\025\n\024SecretManagerService\022"
+          + "\246\001\n\013ListSecrets\0221.google.cloud.secretman"
+          + "ager.v1.ListSecretsRequest\0322.google.clou"
+          + "d.secretmanager.v1.ListSecretsResponse\"0"
+          + "\202\323\344\223\002!\022\037/v1/{parent=projects/*}/secrets\332"
+          + "A\006parent\022\264\001\n\014CreateSecret\0222.google.cloud"
+          + ".secretmanager.v1.CreateSecretRequest\032%."
+          + "google.cloud.secretmanager.v1.Secret\"I\202\323"
+          + "\344\223\002)\"\037/v1/{parent=projects/*}/secrets:\006s"
+          + "ecret\332A\027parent,secret_id,secret\022\302\001\n\020AddS"
+          + "ecretVersion\0226.google.cloud.secretmanage"
+          + "r.v1.AddSecretVersionRequest\032,.google.cl"
+          + "oud.secretmanager.v1.SecretVersion\"H\202\323\344\223"
+          + "\0021\",/v1/{parent=projects/*/secrets/*}:ad"
+          + "dVersion:\001*\332A\016parent,payload\022\223\001\n\tGetSecr"
+          + "et\022/.google.cloud.secretmanager.v1.GetSe"
+          + "cretRequest\032%.google.cloud.secretmanager"
+          + ".v1.Secret\".\202\323\344\223\002!\022\037/v1/{name=projects/*"
+          + "/secrets/*}\332A\004name\022\266\001\n\014UpdateSecret\0222.go"
+          + "ogle.cloud.secretmanager.v1.UpdateSecret"
+          + "Request\032%.google.cloud.secretmanager.v1."
+          + "Secret\"K\202\323\344\223\00202&/v1/{secret.name=project"
+          + "s/*/secrets/*}:\006secret\332A\022secret,update_m"
+          + "ask\022\212\001\n\014DeleteSecret\0222.google.cloud.secr"
+          + "etmanager.v1.DeleteSecretRequest\032\026.googl"
+          + "e.protobuf.Empty\".\202\323\344\223\002!*\037/v1/{name=proj"
+          + "ects/*/secrets/*}\332A\004name\022\306\001\n\022ListSecretV"
+          + "ersions\0228.google.cloud.secretmanager.v1."
+          + "ListSecretVersionsRequest\0329.google.cloud"
+          + ".secretmanager.v1.ListSecretVersionsResp"
+          + "onse\";\202\323\344\223\002,\022*/v1/{parent=projects/*/sec"
+          + "rets/*}/versions\332A\006parent\022\263\001\n\020GetSecretV"
+          + "ersion\0226.google.cloud.secretmanager.v1.G"
+          + "etSecretVersionRequest\032,.google.cloud.se"
+          + "cretmanager.v1.SecretVersion\"9\202\323\344\223\002,\022*/v"
           + "1/{name=projects/*/secrets/*/versions/*}"
-          + ":access\332A\004name\022\306\001\n\024DisableSecretVersion\022"
-          + ":.google.cloud.secretmanager.v1.DisableS"
-          + "ecretVersionRequest\032,.google.cloud.secre"
-          + "tmanager.v1.SecretVersion\"D\202\323\344\223\0027\"2/v1/{"
-          + "name=projects/*/secrets/*/versions/*}:di"
-          + "sable:\001*\332A\004name\022\303\001\n\023EnableSecretVersion\022"
-          + "9.google.cloud.secretmanager.v1.EnableSe"
-          + "cretVersionRequest\032,.google.cloud.secret"
-          + "manager.v1.SecretVersion\"C\202\323\344\223\0026\"1/v1/{n"
-          + "ame=projects/*/secrets/*/versions/*}:ena"
-          + "ble:\001*\332A\004name\022\306\001\n\024DestroySecretVersion\022:"
-          + ".google.cloud.secretmanager.v1.DestroySe"
-          + "cretVersionRequest\032,.google.cloud.secret"
-          + "manager.v1.SecretVersion\"D\202\323\344\223\0027\"2/v1/{n"
-          + "ame=projects/*/secrets/*/versions/*}:des"
-          + "troy:\001*\332A\004name\022\206\001\n\014SetIamPolicy\022\".google"
-          + ".iam.v1.SetIamPolicyRequest\032\025.google.iam"
-          + ".v1.Policy\";\202\323\344\223\0025\"0/v1/{resource=projec"
-          + "ts/*/secrets/*}:setIamPolicy:\001*\022\203\001\n\014GetI"
-          + "amPolicy\022\".google.iam.v1.GetIamPolicyReq"
-          + "uest\032\025.google.iam.v1.Policy\"8\202\323\344\223\0022\0220/v1"
-          + "/{resource=projects/*/secrets/*}:getIamP"
-          + "olicy\022\254\001\n\022TestIamPermissions\022(.google.ia"
-          + "m.v1.TestIamPermissionsRequest\032).google."
-          + "iam.v1.TestIamPermissionsResponse\"A\202\323\344\223\002"
-          + ";\"6/v1/{resource=projects/*/secrets/*}:t"
-          + "estIamPermissions:\001*\032P\312A\034secretmanager.g"
-          + "oogleapis.com\322A.https://www.googleapis.c"
-          + "om/auth/cloud-platformB\353\001\n!com.google.cl"
-          + "oud.secretmanager.v1B\014ServiceProtoP\001ZJgo"
-          + "ogle.golang.org/genproto/googleapis/clou"
-          + "d/secretmanager/v1;secretmanager\370\001\001\242\002\003GS"
-          + "M\252\002\035Google.Cloud.SecretManager.V1\312\002\035Goog"
-          + "le\\Cloud\\SecretManager\\V1\352\002 Google::Clou"
-          + "d::SecretManager::V1b\006proto3"
+          + "\332A\004name\022\316\001\n\023AccessSecretVersion\0229.google"
+          + ".cloud.secretmanager.v1.AccessSecretVers"
+          + "ionRequest\032:.google.cloud.secretmanager."
+          + "v1.AccessSecretVersionResponse\"@\202\323\344\223\0023\0221"
+          + "/v1/{name=projects/*/secrets/*/versions/"
+          + "*}:access\332A\004name\022\306\001\n\024DisableSecretVersio"
+          + "n\022:.google.cloud.secretmanager.v1.Disabl"
+          + "eSecretVersionRequest\032,.google.cloud.sec"
+          + "retmanager.v1.SecretVersion\"D\202\323\344\223\0027\"2/v1"
+          + "/{name=projects/*/secrets/*/versions/*}:"
+          + "disable:\001*\332A\004name\022\303\001\n\023EnableSecretVersio"
+          + "n\0229.google.cloud.secretmanager.v1.Enable"
+          + "SecretVersionRequest\032,.google.cloud.secr"
+          + "etmanager.v1.SecretVersion\"C\202\323\344\223\0026\"1/v1/"
+          + "{name=projects/*/secrets/*/versions/*}:e"
+          + "nable:\001*\332A\004name\022\306\001\n\024DestroySecretVersion"
+          + "\022:.google.cloud.secretmanager.v1.Destroy"
+          + "SecretVersionRequest\032,.google.cloud.secr"
+          + "etmanager.v1.SecretVersion\"D\202\323\344\223\0027\"2/v1/"
+          + "{name=projects/*/secrets/*/versions/*}:d"
+          + "estroy:\001*\332A\004name\022\206\001\n\014SetIamPolicy\022\".goog"
+          + "le.iam.v1.SetIamPolicyRequest\032\025.google.i"
+          + "am.v1.Policy\";\202\323\344\223\0025\"0/v1/{resource=proj"
+          + "ects/*/secrets/*}:setIamPolicy:\001*\022\203\001\n\014Ge"
+          + "tIamPolicy\022\".google.iam.v1.GetIamPolicyR"
+          + "equest\032\025.google.iam.v1.Policy\"8\202\323\344\223\0022\0220/"
+          + "v1/{resource=projects/*/secrets/*}:getIa"
+          + "mPolicy\022\254\001\n\022TestIamPermissions\022(.google."
+          + "iam.v1.TestIamPermissionsRequest\032).googl"
+          + "e.iam.v1.TestIamPermissionsResponse\"A\202\323\344"
+          + "\223\002;\"6/v1/{resource=projects/*/secrets/*}"
+          + ":testIamPermissions:\001*\032P\312A\034secretmanager"
+          + ".googleapis.com\322A.https://www.googleapis"
+          + ".com/auth/cloud-platformB\353\001\n!com.google."
+          + "cloud.secretmanager.v1B\014ServiceProtoP\001ZJ"
+          + "google.golang.org/genproto/googleapis/cl"
+          + "oud/secretmanager/v1;secretmanager\370\001\001\242\002\003"
+          + "GSM\252\002\035Google.Cloud.SecretManager.V1\312\002\035Go"
+          + "ogle\\Cloud\\SecretManager\\V1\352\002 Google::Cl"
+          + "oud::SecretManager::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -249,7 +250,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_secretmanager_v1_ListSecretsRequest_descriptor,
             new java.lang.String[] {
-              "Parent", "PageSize", "PageToken",
+              "Parent", "PageSize", "PageToken", "Filter",
             });
     internal_static_google_cloud_secretmanager_v1_ListSecretsResponse_descriptor =
         getDescriptor().getMessageTypes().get(1);
@@ -289,7 +290,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_secretmanager_v1_ListSecretVersionsRequest_descriptor,
             new java.lang.String[] {
-              "Parent", "PageSize", "PageToken",
+              "Parent", "PageSize", "PageToken", "Filter",
             });
     internal_static_google_cloud_secretmanager_v1_ListSecretVersionsResponse_descriptor =
         getDescriptor().getMessageTypes().get(6);
diff --git a/proto-google-cloud-secretmanager-v1/src/main/proto/google/cloud/secretmanager/v1/service.proto b/proto-google-cloud-secretmanager-v1/src/main/proto/google/cloud/secretmanager/v1/service.proto
index 44ffe421..52b3b094 100644
--- a/proto-google-cloud-secretmanager-v1/src/main/proto/google/cloud/secretmanager/v1/service.proto
+++ b/proto-google-cloud-secretmanager-v1/src/main/proto/google/cloud/secretmanager/v1/service.proto
@@ -221,6 +221,13 @@ message ListSecretsRequest {
   // Optional. Pagination token, returned earlier via
   // [ListSecretsResponse.next_page_token][google.cloud.secretmanager.v1.ListSecretsResponse.next_page_token].
   string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Filter string, adhering to the rules in
+  // [List-operation
+  // filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+  // only secrets matching the filter. If filter is empty, all secrets are
+  // listed.
+  string filter = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response message for [SecretManagerService.ListSecrets][google.cloud.secretmanager.v1.SecretManagerService.ListSecrets].
@@ -305,6 +312,13 @@ message ListSecretVersionsRequest {
   // Optional. Pagination token, returned earlier via
   // ListSecretVersionsResponse.next_page_token][].
   string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Filter string, adhering to the rules in
+  // [List-operation
+  // filtering](https://cloud.google.com/secret-manager/docs/filtering). List
+  // only secret versions matching the filter. If filter is empty, all secret
+  // versions are listed.
+  string filter = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response message for [SecretManagerService.ListSecretVersions][google.cloud.secretmanager.v1.SecretManagerService.ListSecretVersions].
diff --git a/synth.metadata b/synth.metadata
index 930b2c81..921645a0 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,8 +11,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "1eade8161f2ef102282869bc3eb18841807b2b46",
-        "internalRef": "383886699"
+        "sha": "2948f31dd210514f87ce6e1e08bce48ecf4660d1",
+        "internalRef": "387156636"
       }
     },
     {