diff --git a/google-cloud-containeranalysis-bom/pom.xml b/google-cloud-containeranalysis-bom/pom.xml
index 5c98262f..7a296a94 100644
--- a/google-cloud-containeranalysis-bom/pom.xml
+++ b/google-cloud-containeranalysis-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-containeranalysis-bom</artifactId>
-  <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,27 +64,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-containeranalysis-v1</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-containeranalysis-v1beta1</artifactId>
-        <version>0.88.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-containeranalysis</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-containeranalysis-v1</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-containeranalysis-v1beta1</artifactId>
-        <version>0.88.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-containeranalysis/pom.xml b/google-cloud-containeranalysis/pom.xml
index cf7a2f43..a6922d1f 100644
--- a/google-cloud-containeranalysis/pom.xml
+++ b/google-cloud-containeranalysis/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-containeranalysis</artifactId>
-  <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Container Analysis</name>
   <url>https://github.com/googleapis/java-containeranalysis</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-containeranalysis-parent</artifactId>
-    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-containeranalysis</site.installationModule>
diff --git a/grpc-google-cloud-containeranalysis-v1/pom.xml b/grpc-google-cloud-containeranalysis-v1/pom.xml
index 009ab35f..b8abed19 100644
--- a/grpc-google-cloud-containeranalysis-v1/pom.xml
+++ b/grpc-google-cloud-containeranalysis-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-containeranalysis-v1</artifactId>
-  <version>1.2.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+  <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
   <name>grpc-google-cloud-containeranalysis-v1</name>
   <description>GRPC library for grpc-google-cloud-containeranalysis-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-containeranalysis-parent</artifactId>
-    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-containeranalysis-v1beta1/pom.xml b/grpc-google-cloud-containeranalysis-v1beta1/pom.xml
index 4a3ec4eb..d70c4f2c 100644
--- a/grpc-google-cloud-containeranalysis-v1beta1/pom.xml
+++ b/grpc-google-cloud-containeranalysis-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-containeranalysis-v1beta1</artifactId>
-  <version>0.88.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+  <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
   <name>grpc-google-cloud-containeranalysis-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-containeranalysis-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-containeranalysis-parent</artifactId>
-    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 1f8b1ca4..d968475b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-containeranalysis-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   <name>Google Cloud Container Analysis Parent</name>
   <url>https://github.com/googleapis/java-containeranalysis</url>
   <description>
@@ -70,27 +70,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-containeranalysis-v1</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-containeranalysis-v1beta1</artifactId>
-        <version>0.88.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-containeranalysis-v1beta1</artifactId>
-        <version>0.88.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-containeranalysis-v1</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-containeranalysis</artifactId>
-        <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+        <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-containeranalysis-v1/pom.xml b/proto-google-cloud-containeranalysis-v1/pom.xml
index ba7d00e7..5b411438 100644
--- a/proto-google-cloud-containeranalysis-v1/pom.xml
+++ b/proto-google-cloud-containeranalysis-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-containeranalysis-v1</artifactId>
-  <version>1.2.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+  <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
   <name>proto-google-cloud-containeranalysis-v1</name>
   <description>PROTO library for proto-google-cloud-containeranalysis-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-containeranalysis-parent</artifactId>
-    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-containeranalysis-v1beta1/pom.xml b/proto-google-cloud-containeranalysis-v1beta1/pom.xml
index 5ad1dc04..a2463a81 100644
--- a/proto-google-cloud-containeranalysis-v1beta1/pom.xml
+++ b/proto-google-cloud-containeranalysis-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-containeranalysis-v1beta1</artifactId>
-  <version>0.88.30</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+  <version>0.88.31-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
   <name>proto-google-cloud-containeranalysis-v1beta1</name>
   <description>PROTO library for proto-google-cloud-containeranalysis-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-containeranalysis-parent</artifactId>
-    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.31-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 88bbe182..5b21a897 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-containeranalysis-v1:1.2.30:1.2.30
-proto-google-cloud-containeranalysis-v1beta1:0.88.30:0.88.30
-grpc-google-cloud-containeranalysis-v1beta1:0.88.30:0.88.30
-grpc-google-cloud-containeranalysis-v1:1.2.30:1.2.30
-google-cloud-containeranalysis:1.2.30:1.2.30
+proto-google-cloud-containeranalysis-v1:1.2.30:1.2.31-SNAPSHOT
+proto-google-cloud-containeranalysis-v1beta1:0.88.30:0.88.31-SNAPSHOT
+grpc-google-cloud-containeranalysis-v1beta1:0.88.30:0.88.31-SNAPSHOT
+grpc-google-cloud-containeranalysis-v1:1.2.30:1.2.31-SNAPSHOT
+google-cloud-containeranalysis:1.2.30:1.2.31-SNAPSHOT