diff --git a/storage/xml-api/serviceaccount-appengine-sample/pom.xml b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
index 8b67732495f..b0cf2659dfb 100644
--- a/storage/xml-api/serviceaccount-appengine-sample/pom.xml
+++ b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
@@ -35,7 +35,7 @@
   <properties>
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
-    <google-api-client.version>1.33.4</google-api-client.version>
+    <google-api-client.version>1.34.0</google-api-client.version>
     <webappDirectory>${project.build.directory}/${project.build.finalName}
     </webappDirectory>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>