diff --git a/CHANGELOG.md b/CHANGELOG.md
index e119977c..93b14696 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.4.2](https://github.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2) (2022-08-31)
+
+
+### Dependencies
+
+* update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#910](https://github.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://github.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))
+
 ## [3.4.1](https://github.com/googleapis/java-monitoring/compare/v3.4.0...v3.4.1) (2022-08-11)
 
 
diff --git a/README.md b/README.md
index 1978b224..e886c98e 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring</artifactId>
-  <version>3.4.1</version>
+  <version>3.4.2</version>
 </dependency>
 
 ```
diff --git a/google-cloud-monitoring-bom/pom.xml b/google-cloud-monitoring-bom/pom.xml
index 07e07dee..971f0d70 100644
--- a/google-cloud-monitoring-bom/pom.xml
+++ b/google-cloud-monitoring-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring-bom</artifactId>
-  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>3.4.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>3.4.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-monitoring/pom.xml b/google-cloud-monitoring/pom.xml
index 6d7eed98..7725eec7 100644
--- a/google-cloud-monitoring/pom.xml
+++ b/google-cloud-monitoring/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring</artifactId>
-  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Monitoring</name>
   <url>https://github.com/googleapis/java-monitoring</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-monitoring</site.installationModule>
diff --git a/grpc-google-cloud-monitoring-v3/pom.xml b/grpc-google-cloud-monitoring-v3/pom.xml
index 2b8f8cea..861e346f 100644
--- a/grpc-google-cloud-monitoring-v3/pom.xml
+++ b/grpc-google-cloud-monitoring-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+  <version>3.4.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
   <name>grpc-google-cloud-monitoring-v3</name>
   <description>GRPC library for grpc-google-cloud-monitoring-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 7be8c02f..41a13d8c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <name>Google Cloud Monitoring Parent</name>
   <url>https://github.com/googleapis/java-monitoring</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>3.4.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>3.4.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring</artifactId>
-        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-monitoring-v3/pom.xml b/proto-google-cloud-monitoring-v3/pom.xml
index a4a9d23b..b7e7c78f 100644
--- a/proto-google-cloud-monitoring-v3/pom.xml
+++ b/proto-google-cloud-monitoring-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+  <version>3.4.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
   <name>proto-google-cloud-monitoring-v3</name>
   <description>PROTO library for proto-google-cloud-monitoring-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 59f86541..28909e4b 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-monitoring</artifactId>
-      <version>3.4.1</version>
+      <version>3.4.2</version>
     </dependency>
     <!-- [END monitoring_install_without_bom] -->
     <!-- {x-version-update-end} -->
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index e9328b26..328dfe05 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-monitoring</artifactId>
-      <version>3.4.2-SNAPSHOT</version>
+      <version>3.4.2</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index 6cc3cc34..0914fe74 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-monitoring:3.4.1:3.4.2-SNAPSHOT
-grpc-google-cloud-monitoring-v3:3.4.1:3.4.2-SNAPSHOT
-proto-google-cloud-monitoring-v3:3.4.1:3.4.2-SNAPSHOT
+google-cloud-monitoring:3.4.2:3.4.2
+grpc-google-cloud-monitoring-v3:3.4.2:3.4.2
+proto-google-cloud-monitoring-v3:3.4.2:3.4.2