diff --git a/appengine-java8/firebase-tictactoe/pom.xml b/appengine-java8/firebase-tictactoe/pom.xml
index de27b3b757f..11ceca52975 100644
--- a/appengine-java8/firebase-tictactoe/pom.xml
+++ b/appengine-java8/firebase-tictactoe/pom.xml
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>com.google.api-client</groupId>
       <artifactId>google-api-client-appengine</artifactId>
-      <version>1.33.4</version>
+      <version>1.34.0</version>
     </dependency>
 
 
diff --git a/flexible/cloudsql/pom.xml b/flexible/cloudsql/pom.xml
index dd7ee4cbd63..ab5e618f5fd 100644
--- a/flexible/cloudsql/pom.xml
+++ b/flexible/cloudsql/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>com.google.api-client</groupId>
       <artifactId>google-api-client-appengine</artifactId>
-      <version>1.33.4</version>
+      <version>1.34.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/flexible/postgres/pom.xml b/flexible/postgres/pom.xml
index 33162025558..72e64e1c1cb 100644
--- a/flexible/postgres/pom.xml
+++ b/flexible/postgres/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>com.google.api-client</groupId>
       <artifactId>google-api-client-appengine</artifactId>
-      <version>1.33.4</version>
+      <version>1.34.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/unittests/pom.xml b/unittests/pom.xml
index 3966f3e2663..bb5f910806c 100644
--- a/unittests/pom.xml
+++ b/unittests/pom.xml
@@ -71,7 +71,7 @@
     <dependency>
       <groupId>com.google.api-client</groupId>
       <artifactId>google-api-client-appengine</artifactId>
-      <version>1.33.4</version>
+      <version>1.34.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>