diff --git a/CHANGELOG.md b/CHANGELOG.md
index d92f13f4..aded902a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.5.5](https://www.github.com/googleapis/java-datacatalog/compare/v1.5.4...v1.5.5) (2021-09-14)
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.2.1 ([#644](https://www.github.com/googleapis/java-datacatalog/issues/644)) ([f93827c](https://www.github.com/googleapis/java-datacatalog/commit/f93827c8210fd6b61ebdb16cb5c9a756beb582cb))
+
 ### [1.5.4](https://www.github.com/googleapis/java-datacatalog/compare/v1.5.3...v1.5.4) (2021-08-31)
 
 
diff --git a/google-cloud-datacatalog-bom/pom.xml b/google-cloud-datacatalog-bom/pom.xml
index 8f9fc1e8..182c2385 100644
--- a/google-cloud-datacatalog-bom/pom.xml
+++ b/google-cloud-datacatalog-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datacatalog-bom</artifactId>
-  <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+  <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,27 +52,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datacatalog</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+        <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datacatalog-v1</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
+        <version>1.5.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datacatalog-v1beta1</artifactId>
-        <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
+        <version>0.42.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datacatalog-v1</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
+        <version>1.5.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datacatalog-v1beta1</artifactId>
-        <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
+        <version>0.42.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-datacatalog/pom.xml b/google-cloud-datacatalog/pom.xml
index 33464221..eb580bfe 100644
--- a/google-cloud-datacatalog/pom.xml
+++ b/google-cloud-datacatalog/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datacatalog</artifactId>
-  <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+  <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Data Catalog</name>
   <url>https://github.com/googleapis/java-datacatalog</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datacatalog-parent</artifactId>
-    <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+    <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-datacatalog</site.installationModule>
diff --git a/grpc-google-cloud-datacatalog-v1/pom.xml b/grpc-google-cloud-datacatalog-v1/pom.xml
index 18280cc6..2b305894 100644
--- a/grpc-google-cloud-datacatalog-v1/pom.xml
+++ b/grpc-google-cloud-datacatalog-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-datacatalog-v1</artifactId>
-  <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
+  <version>1.5.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
   <name>grpc-google-cloud-datacatalog-v1</name>
   <description>GRPC library for grpc-google-cloud-datacatalog-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datacatalog-parent</artifactId>
-    <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+    <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-datacatalog-v1beta1/pom.xml b/grpc-google-cloud-datacatalog-v1beta1/pom.xml
index 15de4829..be1ceb97 100644
--- a/grpc-google-cloud-datacatalog-v1beta1/pom.xml
+++ b/grpc-google-cloud-datacatalog-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-datacatalog-v1beta1</artifactId>
-  <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
+  <version>0.42.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
   <name>grpc-google-cloud-datacatalog-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-datacatalog-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datacatalog-parent</artifactId>
-    <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+    <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 00d72cbe..066b0117 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datacatalog-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+  <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   <name>Google Cloud Data Catalog Parent</name>
   <url>https://github.com/googleapis/java-datacatalog</url>
   <description>
@@ -61,27 +61,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datacatalog-v1</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
+        <version>1.5.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datacatalog-v1beta1</artifactId>
-        <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
+        <version>0.42.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datacatalog-v1</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
+        <version>1.5.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datacatalog-v1beta1</artifactId>
-        <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
+        <version>0.42.5</version><!-- {x-version-update:grpc-google-cloud-datacatalog-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datacatalog</artifactId>
-        <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+        <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-datacatalog-v1/pom.xml b/proto-google-cloud-datacatalog-v1/pom.xml
index 227f0f66..aabea59d 100644
--- a/proto-google-cloud-datacatalog-v1/pom.xml
+++ b/proto-google-cloud-datacatalog-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datacatalog-v1</artifactId>
-  <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
+  <version>1.5.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1:current} -->
   <name>proto-google-cloud-datacatalog-v1</name>
   <description>PROTO library for proto-google-cloud-datacatalog-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datacatalog-parent</artifactId>
-    <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+    <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-datacatalog-v1beta1/pom.xml b/proto-google-cloud-datacatalog-v1beta1/pom.xml
index 7ad70cc1..9453cae7 100644
--- a/proto-google-cloud-datacatalog-v1beta1/pom.xml
+++ b/proto-google-cloud-datacatalog-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datacatalog-v1beta1</artifactId>
-  <version>0.42.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
+  <version>0.42.5</version><!-- {x-version-update:proto-google-cloud-datacatalog-v1beta1:current} -->
   <name>proto-google-cloud-datacatalog-v1beta1</name>
   <description>PROTO library for proto-google-cloud-datacatalog-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datacatalog-parent</artifactId>
-    <version>1.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
+    <version>1.5.5</version><!-- {x-version-update:google-cloud-datacatalog:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index f1cb3e87..e3720531 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-datacatalog:1.5.4:1.5.5-SNAPSHOT
-grpc-google-cloud-datacatalog-v1:1.5.4:1.5.5-SNAPSHOT
-grpc-google-cloud-datacatalog-v1beta1:0.42.4:0.42.5-SNAPSHOT
-proto-google-cloud-datacatalog-v1:1.5.4:1.5.5-SNAPSHOT
-proto-google-cloud-datacatalog-v1beta1:0.42.4:0.42.5-SNAPSHOT
+google-cloud-datacatalog:1.5.5:1.5.5
+grpc-google-cloud-datacatalog-v1:1.5.5:1.5.5
+grpc-google-cloud-datacatalog-v1beta1:0.42.5:0.42.5
+proto-google-cloud-datacatalog-v1:1.5.5:1.5.5
+proto-google-cloud-datacatalog-v1beta1:0.42.5:0.42.5