diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc1a23fd..cb108139 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.2.13](https://www.github.com/googleapis/java-containeranalysis/compare/v1.2.12...v1.2.13) (2021-02-25)
+
+
+### Documentation
+
+* generate samples in gapic client classes ([#454](https://www.github.com/googleapis/java-containeranalysis/issues/454)) ([874915c](https://www.github.com/googleapis/java-containeranalysis/commit/874915cb9c8f42c1e56824cd4a8de44affbc7dc9))
+
 ### [1.2.12](https://www.github.com/googleapis/java-containeranalysis/compare/v1.2.11...v1.2.12) (2021-02-23)
 
 
diff --git a/google-cloud-containeranalysis-bom/pom.xml b/google-cloud-containeranalysis-bom/pom.xml
index 163b5cf6..1dda6d2a 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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+        <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.30</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 500e9590..cf7a2f43 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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.30</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 0297e43b..009ab35f 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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+  <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.30</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 9de3db3e..4a3ec4eb 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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+  <version>0.88.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 1a65fac8..528a8f1f 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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+  <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.30</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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1beta1:current} -->
+        <version>0.88.30</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-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-containeranalysis-v1:current} -->
+        <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+        <version>1.2.30</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 7af4eebd..ba7d00e7 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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1:current} -->
+  <version>1.2.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.30</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 279b8936..5ad1dc04 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-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-containeranalysis-v1beta1:current} -->
+  <version>0.88.30</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-SNAPSHOT</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
+    <version>1.2.30</version><!-- {x-version-update:google-cloud-containeranalysis:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 42741b67..88bbe182 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-containeranalysis-v1:1.2.29:1.2.30-SNAPSHOT
-proto-google-cloud-containeranalysis-v1beta1:0.88.29:0.88.30-SNAPSHOT
-grpc-google-cloud-containeranalysis-v1beta1:0.88.29:0.88.30-SNAPSHOT
-grpc-google-cloud-containeranalysis-v1:1.2.29:1.2.30-SNAPSHOT
-google-cloud-containeranalysis:1.2.29:1.2.30-SNAPSHOT
+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