diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0f9a8d4..f5ffafdd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [3.4.0](https://github.com/googleapis/java-monitoring/compare/v3.3.6...v3.4.0) (2022-08-06)
+
+
+### Features
+
+* Added support for evaluating missing data in AlertPolicy ([#906](https://github.com/googleapis/java-monitoring/issues/906)) ([e9effc8](https://github.com/googleapis/java-monitoring/commit/e9effc85f48d7f64ae5b297bace67e7cbafd27b1))
+
+
+### Documentation
+
+* **owlbot-java:** explaining why not using formatter in pom.xml ([#1511](https://github.com/googleapis/java-monitoring/issues/1511)) ([#901](https://github.com/googleapis/java-monitoring/issues/901)) ([02e3f6b](https://github.com/googleapis/java-monitoring/commit/02e3f6b8af04ad995a488da9794bf391b4c602e5)), closes [#1502](https://github.com/googleapis/java-monitoring/issues/1502)
+
 ## [3.3.6](https://github.com/googleapis/java-monitoring/compare/v3.3.5...v3.3.6) (2022-08-02)
 
 
diff --git a/README.md b/README.md
index a2bbae56..eb607628 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>3.3.6</version>
+  <version>3.4.0</version>
 </dependency>
 
 ```
diff --git a/google-cloud-monitoring-bom/pom.xml b/google-cloud-monitoring-bom/pom.xml
index b5030e4b..81fc3b69 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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>3.4.0</version><!-- {x-version-update:google-cloud-monitoring:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-        <version>3.3.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>3.4.0</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 4b87ab4c..3eb1afbf 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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.0</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 78a9fee1..816ed146 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>3.3.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+  <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.0</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 9acc9de9..e57783de 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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>3.4.0</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring</artifactId>
-        <version>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>3.4.0</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 a04bd6c2..b2b5cda9 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>3.3.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+  <version>3.4.0</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>3.3.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>3.4.0</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 ece0e45b..08ed5d35 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>3.3.6</version>
+      <version>3.4.0</version>
     </dependency>
     <!-- [END monitoring_install_without_bom] -->
     <!-- {x-version-update-end} -->
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 87acbec2..03db03ab 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>3.3.7-SNAPSHOT</version>
+      <version>3.4.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index ad4b2d4b..e6327389 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-monitoring:3.3.6:3.3.7-SNAPSHOT
-grpc-google-cloud-monitoring-v3:3.3.6:3.3.7-SNAPSHOT
-proto-google-cloud-monitoring-v3:3.3.6:3.3.7-SNAPSHOT
+google-cloud-monitoring:3.4.0:3.4.0
+grpc-google-cloud-monitoring-v3:3.4.0:3.4.0
+proto-google-cloud-monitoring-v3:3.4.0:3.4.0