diff --git a/pubsub/cloud-client/pom.xml b/pubsub/cloud-client/pom.xml
index 16e705d07cf..5289958a773 100644
--- a/pubsub/cloud-client/pom.xml
+++ b/pubsub/cloud-client/pom.xml
@@ -1,5 +1,5 @@
 <!--
-  Copyright 2016 Google Inc.
+  Copyright 2018 Google LLC.
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsub</artifactId>
-      <version>1.38.0</version>
+      <version>1.51.0</version>
     </dependency>
     <!-- [END pubsub_java_dependencies] -->
 
@@ -56,11 +56,6 @@
       <version>0.42</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.apache.maven</groupId>
-      <artifactId>maven-plugin-api</artifactId>
-      <version>3.3.3</version>
-    </dependency>
   </dependencies>
 
   <build>
@@ -69,13 +64,6 @@
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
         <version>1.6.0</version>
-        <executions>
-          <execution>
-            <goals>
-              <goal>java</goal>
-            </goals>
-          </execution>
-        </executions>
         <configuration>
           <cleanupDaemonThreads>false</cleanupDaemonThreads>
         </configuration>