diff --git a/kms/pom.xml b/kms/pom.xml
index 239cf330284..f216824e1c3 100644
--- a/kms/pom.xml
+++ b/kms/pom.xml
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudkms</artifactId>
-      <version>v1-rev22-1.23.0</version>
+      <version>v1-rev23-1.23.0</version>
       <exclusions>
         <exclusion> <!-- exclude an old version of Guava -->
           <groupId>com.google.guava</groupId>
diff --git a/storage/storage-transfer/pom.xml b/storage/storage-transfer/pom.xml
index 4d475296783..cea519d696a 100644
--- a/storage/storage-transfer/pom.xml
+++ b/storage/storage-transfer/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-storagetransfer</artifactId>
-      <version>v1-rev26-1.23.0</version>
+      <version>v1-rev27-1.23.0</version>
       <exclusions>
         <exclusion> <!-- exclude an old version of Guava -->
           <groupId>com.google.guava</groupId>
diff --git a/storage/xml-api/serviceaccount-appengine-sample/pom.xml b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
index 9cc4dc733a1..5796c33de27 100644
--- a/storage/xml-api/serviceaccount-appengine-sample/pom.xml
+++ b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
@@ -40,7 +40,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <codehaus-exec-maven-plugin-version>1.1</codehaus-exec-maven-plugin-version>
     <codehaus-findbugs-maven-plugin-version>3.0.5</codehaus-findbugs-maven-plugin-version>
-    <maven-war-plugin-version>3.1.0</maven-war-plugin-version>
+    <maven-war-plugin-version>3.2.0</maven-war-plugin-version>
   </properties>
 
   <build>
diff --git a/taskqueue/deferred/pom.xml b/taskqueue/deferred/pom.xml
index 9da47ae996e..ee50d317763 100644
--- a/taskqueue/deferred/pom.xml
+++ b/taskqueue/deferred/pom.xml
@@ -33,7 +33,7 @@
         <maven.compiler.source>1.7</maven.compiler.source>
         <appengine.sdk.version>1.9.57</appengine.sdk.version> <!-- TODO: MOVE TO /appengine -->
         <codehaus-versions-maven-plugin-version>2.5</codehaus-versions-maven-plugin-version>
-        <maven-war-plugin-version>3.1.0</maven-war-plugin-version>
+        <maven-war-plugin-version>3.2.0</maven-war-plugin-version>
     </properties>
 
     <dependencies>
diff --git a/unittests/pom.xml b/unittests/pom.xml
index 61d3f52caf8..5bdc7588005 100644
--- a/unittests/pom.xml
+++ b/unittests/pom.xml
@@ -21,7 +21,7 @@
         <maven.compiler.source>1.7</maven.compiler.source>
         <appengine.sdk.version>1.9.57</appengine.sdk.version> <!-- TODO: MOVE TO /appengine -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven-war-plugin-version>3.1.0</maven-war-plugin-version>
+        <maven-war-plugin-version>3.2.0</maven-war-plugin-version>
         <maven-compiler-plugin-version>2.5.1</maven-compiler-plugin-version>
         <google-api-client.version>1.23.0</google-api-client.version>
     </properties>