diff --git a/appengine/appidentity/pom.xml b/appengine/appidentity/pom.xml
index ecd606f6546..5916a1f2e0b 100644
--- a/appengine/appidentity/pom.xml
+++ b/appengine/appidentity/pom.xml
@@ -28,7 +28,7 @@
   </parent>
 
   <properties>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.101.v20160316</gcloud-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/appengine/channel/pom.xml b/appengine/channel/pom.xml
index fbc336b8c79..6716cd443c1 100644
--- a/appengine/channel/pom.xml
+++ b/appengine/channel/pom.xml
@@ -26,7 +26,7 @@
         <relativePath>../..</relativePath>
     </parent>
     <properties>
-        <objectify.version>5.1.13</objectify.version>
+        <objectify.version>5.1.5</objectify.version>
     </properties>
     <!-- [START set_versions] -->
     <prerequisites>
diff --git a/appengine/datastore/pom.xml b/appengine/datastore/pom.xml
index 7feaa9db5ac..4c4a55607e8 100644
--- a/appengine/datastore/pom.xml
+++ b/appengine/datastore/pom.xml
@@ -36,7 +36,7 @@
     <dependency>
       <groupId>com.google.auto.value</groupId>
       <artifactId>auto-value</artifactId>
-      <version>1.3</version>
+      <version>1.2</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
diff --git a/appengine/firebase-event-proxy/gae-firebase-event-proxy/pom.xml b/appengine/firebase-event-proxy/gae-firebase-event-proxy/pom.xml
index 51d9c54ea45..9f062705dce 100644
--- a/appengine/firebase-event-proxy/gae-firebase-event-proxy/pom.xml
+++ b/appengine/firebase-event-proxy/gae-firebase-event-proxy/pom.xml
@@ -62,12 +62,12 @@
         <dependency>
           <groupId>com.fasterxml.jackson.core</groupId>
           <artifactId>jackson-core</artifactId>
-          <version>2.8.2</version>
+          <version>2.8.1</version>
         </dependency>
         <dependency>
           <groupId>com.fasterxml.jackson.core</groupId>
           <artifactId>jackson-databind</artifactId>
-          <version>2.8.2</version>
+          <version>2.8.1</version>
         </dependency>
 
         <!-- Test Dependencies -->
diff --git a/appengine/guestbook-objectify/pom.xml b/appengine/guestbook-objectify/pom.xml
index 0d1e2bcf202..12946aace0d 100644
--- a/appengine/guestbook-objectify/pom.xml
+++ b/appengine/guestbook-objectify/pom.xml
@@ -8,8 +8,8 @@
     <groupId>com.example.appengine</groupId>
     <artifactId>appengine-guestbook-objectify</artifactId>
     <properties>
-        <objectify.version>5.1.13</objectify.version>
-        <guava.version>19.0</guava.version>
+        <objectify.version>5.1.5</objectify.version>
+        <guava.version>18.0</guava.version>
     </properties>
     <parent>
         <groupId>com.google.cloud</groupId>
diff --git a/appengine/images/pom.xml b/appengine/images/pom.xml
index 441e0e17fe9..8a977b97768 100644
--- a/appengine/images/pom.xml
+++ b/appengine/images/pom.xml
@@ -21,7 +21,7 @@ Copyright 2015 Google Inc. All Rights Reserved.
   <artifactId>appengine-images</artifactId>
 
   <properties>
-      <appengine.sdk.version>1.9.42</appengine.sdk.version>
+      <appengine.sdk.version>1.9.24</appengine.sdk.version>
   </properties>
 
   <parent>
diff --git a/appengine/mailgun/pom.xml b/appengine/mailgun/pom.xml
index b6f5651324d..0e9066ad68c 100644
--- a/appengine/mailgun/pom.xml
+++ b/appengine/mailgun/pom.xml
@@ -37,17 +37,17 @@
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-core</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-client</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey.contribs</groupId>
       <artifactId>jersey-multipart</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <!-- [END dependencies] -->
   </dependencies>
diff --git a/appengine/mailjet/pom.xml b/appengine/mailjet/pom.xml
index 37ddcf5ddc7..2b47778132d 100644
--- a/appengine/mailjet/pom.xml
+++ b/appengine/mailjet/pom.xml
@@ -44,17 +44,17 @@
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-core</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-client</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey.contribs</groupId>
       <artifactId>jersey-multipart</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <!-- [END dependencies] -->
   </dependencies>
diff --git a/appengine/multitenancy/pom.xml b/appengine/multitenancy/pom.xml
index a0a62aec05e..728acf1348e 100644
--- a/appengine/multitenancy/pom.xml
+++ b/appengine/multitenancy/pom.xml
@@ -9,8 +9,8 @@
     <artifactId>appengine-multitenancy</artifactId>
 
     <properties>
-        <objectify.version>5.1.13</objectify.version>
-        <guava.version>19.0</guava.version>
+        <objectify.version>5.1.5</objectify.version>
+        <guava.version>18.0</guava.version>
     </properties>
     <parent>
         <groupId>com.google.cloud</groupId>
diff --git a/bigquery/pom.xml b/bigquery/pom.xml
index 0f9ce264d66..1be72bd94e4 100644
--- a/bigquery/pom.xml
+++ b/bigquery/pom.xml
@@ -23,22 +23,22 @@
     <dependency>
         <groupId>com.google.apis</groupId>
         <artifactId>google-api-services-bigquery</artifactId>
-        <version>v2-rev319-1.22.0</version>
+        <version>v2-rev317-1.22.0</version>
     </dependency>
     <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client</artifactId>
-        <version>1.22.0</version>
+        <version>1.21.0</version>
     </dependency>
     <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-jackson2</artifactId>
-        <version>1.22.0</version>
+        <version>1.21.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.oauth-client</groupId>
       <artifactId>google-oauth-client-jetty</artifactId>
-      <version>1.22.0</version>
+      <version>1.21.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.code.gson</groupId>
diff --git a/compute/cmdline/pom.xml b/compute/cmdline/pom.xml
index 5e5e2618840..fab344b731b 100644
--- a/compute/cmdline/pom.xml
+++ b/compute/cmdline/pom.xml
@@ -89,7 +89,7 @@ limitations under the License.
     </dependency>
   </dependencies>
   <properties>
-    <project.compute.version>v1-rev122-1.22.0</project.compute.version>
+    <project.compute.version>v1-rev105-1.21.0</project.compute.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 </project>
diff --git a/datastore/pom.xml b/datastore/pom.xml
index a43ce97bfc1..2691bec11f1 100644
--- a/datastore/pom.xml
+++ b/datastore/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>gcloud-java-datastore</artifactId>
-      <version>0.2.8</version>
+      <version>0.2.7</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/language/analysis/pom.xml b/language/analysis/pom.xml
index 99d986dfaad..6e186dc4464 100644
--- a/language/analysis/pom.xml
+++ b/language/analysis/pom.xml
@@ -25,7 +25,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-language</artifactId>
-      <version>v1beta1-rev7-1.22.0</version>
+      <version>v1beta1-rev5-1.22.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/managed_vms/analytics/pom.xml b/managed_vms/analytics/pom.xml
index 1efa2f22c50..a5957e676e9 100644
--- a/managed_vms/analytics/pom.xml
+++ b/managed_vms/analytics/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/async-rest/pom.xml b/managed_vms/async-rest/pom.xml
index 76e7853857a..fbb6073c274 100644
--- a/managed_vms/async-rest/pom.xml
+++ b/managed_vms/async-rest/pom.xml
@@ -30,7 +30,7 @@
 
   <properties>
     <docker.label.prefix>async-</docker.label.prefix>
-    <jetty.version>9.4.0.M1</jetty.version>
+    <jetty.version>9.3.7.v20160115</jetty.version>
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <places.appkey>YOUR_PLACES_APP_KEY</places.appkey>
diff --git a/managed_vms/cloudsql/pom.xml b/managed_vms/cloudsql/pom.xml
index 27cb003d318..e9060559a8c 100644
--- a/managed_vms/cloudsql/pom.xml
+++ b/managed_vms/cloudsql/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/cloudstorage/pom.xml b/managed_vms/cloudstorage/pom.xml
index 16cc0c29aa7..22eb71d25ad 100644
--- a/managed_vms/cloudstorage/pom.xml
+++ b/managed_vms/cloudstorage/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>gcloud-java-storage</artifactId>
-      <version>0.2.8</version>
+      <version>0.2.7</version>
     </dependency>
     <!-- [END dependencies] -->
   </dependencies>
diff --git a/managed_vms/cron/pom.xml b/managed_vms/cron/pom.xml
index 79d0c2e8a1a..3e0e7b82e68 100644
--- a/managed_vms/cron/pom.xml
+++ b/managed_vms/cron/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <!-- [START dependencies] -->
diff --git a/managed_vms/datastore/pom.xml b/managed_vms/datastore/pom.xml
index 95053d19022..d3e3e2936c3 100644
--- a/managed_vms/datastore/pom.xml
+++ b/managed_vms/datastore/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>gcloud-java-datastore</artifactId>
-      <version>0.2.8</version>
+      <version>0.2.7</version>
     </dependency>
     <!-- [END dependencies] -->
   </dependencies>
diff --git a/managed_vms/disk/pom.xml b/managed_vms/disk/pom.xml
index edd6874e7b2..dd20a8918b6 100644
--- a/managed_vms/disk/pom.xml
+++ b/managed_vms/disk/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/extending-runtime/pom.xml b/managed_vms/extending-runtime/pom.xml
index 1e11dc37520..1b3f080f5c8 100644
--- a/managed_vms/extending-runtime/pom.xml
+++ b/managed_vms/extending-runtime/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/helloworld/pom.xml b/managed_vms/helloworld/pom.xml
index 28f6ea08244..31c366ccc02 100644
--- a/managed_vms/helloworld/pom.xml
+++ b/managed_vms/helloworld/pom.xml
@@ -33,7 +33,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
 
     <appengine.maven.plugin>0.1.1-beta</appengine.maven.plugin>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
 
     <failOnMissingWebXml>false</failOnMissingWebXml>
   </properties>
diff --git a/managed_vms/mailgun/pom.xml b/managed_vms/mailgun/pom.xml
index a20a0c91b66..794832ca5ab 100644
--- a/managed_vms/mailgun/pom.xml
+++ b/managed_vms/mailgun/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
@@ -47,17 +47,17 @@
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-core</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-client</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <dependency>
       <groupId>com.sun.jersey.contribs</groupId>
       <artifactId>jersey-multipart</artifactId>
-      <version>1.19.2</version>
+      <version>1.19.1</version>
     </dependency>
     <!-- [END dependencies] -->
   </dependencies>
diff --git a/managed_vms/mailjet/pom.xml b/managed_vms/mailjet/pom.xml
index 6a1b49a5f0b..6c6cb3bd584 100644
--- a/managed_vms/mailjet/pom.xml
+++ b/managed_vms/mailjet/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/memcache/pom.xml b/managed_vms/memcache/pom.xml
index f153f111896..ee6f038e138 100644
--- a/managed_vms/memcache/pom.xml
+++ b/managed_vms/memcache/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/sendgrid/pom.xml b/managed_vms/sendgrid/pom.xml
index d9afdbb381b..864b6111e5a 100644
--- a/managed_vms/sendgrid/pom.xml
+++ b/managed_vms/sendgrid/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/static-files/pom.xml b/managed_vms/static-files/pom.xml
index 0358b48263a..bb6e9b591cb 100644
--- a/managed_vms/static-files/pom.xml
+++ b/managed_vms/static-files/pom.xml
@@ -31,8 +31,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
   </properties>
 
   <dependencies>
diff --git a/managed_vms/twilio/pom.xml b/managed_vms/twilio/pom.xml
index 0169aa0da3e..8ba3b72686d 100644
--- a/managed_vms/twilio/pom.xml
+++ b/managed_vms/twilio/pom.xml
@@ -30,8 +30,8 @@
   <properties>
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
-    <gcloud-maven-plugin-version>2.0.9.121.v20160815</gcloud-maven-plugin-version>
-    <jetty-maven-plugin-version>9.4.0.M1</jetty-maven-plugin-version>
+    <gcloud-maven-plugin-version>2.0.9.106.v20160420</gcloud-maven-plugin-version>
+    <jetty-maven-plugin-version>9.3.7.v20160115</jetty-maven-plugin-version>
     <maven-war-plugin-version>2.6</maven-war-plugin-version>
     <maven-surefire-plugin-version>2.19.1</maven-surefire-plugin-version>
   </properties>
diff --git a/monitoring/v3/pom.xml b/monitoring/v3/pom.xml
index ebb15934db1..9505e365c26 100644
--- a/monitoring/v3/pom.xml
+++ b/monitoring/v3/pom.xml
@@ -30,8 +30,8 @@
     <properties>
         <maven.compiler.target>1.7</maven.compiler.target>
         <maven.compiler.source>1.7</maven.compiler.source>
-        <project.http.version>1.22.0</project.http.version>
-        <project.oauth.version>1.22.0</project.oauth.version>
+        <project.http.version>1.19.0</project.http.version>
+        <project.oauth.version>1.19.0</project.oauth.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <skipTests>true</skipTests>
     </properties>
diff --git a/pom.xml b/pom.xml
index 2f5107c7124..196e02cf1e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     </parent>
 
     <properties>
-        <appengine.sdk.version>1.9.42</appengine.sdk.version>
+        <appengine.sdk.version>1.9.38</appengine.sdk.version>
         <appengine.app.version>1</appengine.app.version>
         <project.http.version>1.19.0</project.http.version>
         <project.oauth.version>1.19.0</project.oauth.version>
diff --git a/speech/grpc/pom.xml b/speech/grpc/pom.xml
index d44f8bc351c..d0fa0ada6c6 100644
--- a/speech/grpc/pom.xml
+++ b/speech/grpc/pom.xml
@@ -48,7 +48,7 @@ limitations under the License.
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <codehaus-versions-maven-plugin-version>2.3</codehaus-versions-maven-plugin-version>
+    <codehaus-versions-maven-plugin-version>2.2</codehaus-versions-maven-plugin-version>
     <grpc-protobuf-version>1.0.0</grpc-protobuf-version>
     <maven-compiler-plugin-version>3.5.1</maven-compiler-plugin-version>
     <xolstice-protobuf-maven-plugin-version>0.5.0</xolstice-protobuf-maven-plugin-version>
diff --git a/storage/xml-api/cmdline-sample/pom.xml b/storage/xml-api/cmdline-sample/pom.xml
index f539b050a29..545408bd36b 100644
--- a/storage/xml-api/cmdline-sample/pom.xml
+++ b/storage/xml-api/cmdline-sample/pom.xml
@@ -27,10 +27,10 @@
   </parent>
 
   <properties>
-    <project.http.version>1.22.0</project.http.version>
+    <project.http.version>1.20.0</project.http.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <codehaus-exec-maven-plugin>1.5.0</codehaus-exec-maven-plugin>
-    <maven-compiler-plugin-version>3.5.1</maven-compiler-plugin-version>
+    <codehaus-exec-maven-plugin>1.1</codehaus-exec-maven-plugin>
+    <maven-compiler-plugin-version>3.2</maven-compiler-plugin-version>
   </properties>
 
   <build>
diff --git a/storage/xml-api/serviceaccount-appengine-sample/pom.xml b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
index 38c1a6499f1..068c4cbbabc 100644
--- a/storage/xml-api/serviceaccount-appengine-sample/pom.xml
+++ b/storage/xml-api/serviceaccount-appengine-sample/pom.xml
@@ -33,13 +33,13 @@
   <properties>
     <maven.compiler.target>1.7</maven.compiler.target>
     <maven.compiler.source>1.7</maven.compiler.source>
-    <google-api-client.version>1.22.0</google-api-client.version>
+    <google-api-client.version>1.21.0</google-api-client.version>
     <webappDirectory>${project.build.directory}/${project.build.finalName}
     </webappDirectory>
     <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>3.0.4</codehaus-findbugs-maven-plugin-version>
-    <maven-war-plugin-version>2.6</maven-war-plugin-version>
+    <codehaus-findbugs-maven-plugin-version>2.3.2</codehaus-findbugs-maven-plugin-version>
+    <maven-war-plugin-version>2.1.1</maven-war-plugin-version>
   </properties>
 
   <build>
diff --git a/taskqueue/deferred/pom.xml b/taskqueue/deferred/pom.xml
index 6d1057460da..dffee70457f 100644
--- a/taskqueue/deferred/pom.xml
+++ b/taskqueue/deferred/pom.xml
@@ -31,8 +31,8 @@
     <properties>
         <maven.compiler.target>1.7</maven.compiler.target>
         <maven.compiler.source>1.7</maven.compiler.source>
-        <codehaus-versions-maven-plugin-version>2.3</codehaus-versions-maven-plugin-version>
-        <maven-war-plugin-version>2.6</maven-war-plugin-version>
+        <codehaus-versions-maven-plugin-version>2.1</codehaus-versions-maven-plugin-version>
+        <maven-war-plugin-version>2.4</maven-war-plugin-version>
     </properties>
 
     <dependencies>
diff --git a/vision/face-detection/pom.xml b/vision/face-detection/pom.xml
index 5d2f2a30ec4..9cf84202543 100644
--- a/vision/face-detection/pom.xml
+++ b/vision/face-detection/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-vision</artifactId>
-      <version>v1-rev24-1.22.0</version>
+      <version>v1-rev22-1.22.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/vision/label/pom.xml b/vision/label/pom.xml
index 7bf25cfa2bc..54bc43d0d48 100644
--- a/vision/label/pom.xml
+++ b/vision/label/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-vision</artifactId>
-      <version>v1-rev24-1.22.0</version>
+      <version>v1-rev22-1.22.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/vision/landmark-detection/pom.xml b/vision/landmark-detection/pom.xml
index ecdcfe019fc..e6abb1ccb79 100644
--- a/vision/landmark-detection/pom.xml
+++ b/vision/landmark-detection/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-vision</artifactId>
-      <version>v1-rev24-1.22.0</version>
+      <version>v1-rev22-1.22.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
diff --git a/vision/text/pom.xml b/vision/text/pom.xml
index baaae9d5ea2..d30a9104654 100644
--- a/vision/text/pom.xml
+++ b/vision/text/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-vision</artifactId>
-      <version>v1-rev24-1.22.0</version>
+      <version>v1-rev22-1.22.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-client</groupId>
@@ -53,7 +53,7 @@
     <dependency>
       <groupId>com.google.auto.value</groupId>
       <artifactId>auto-value</artifactId>
-      <version>1.3</version>
+      <version>1.2</version>
       <scope>provided</scope>
     </dependency>
     <dependency>