diff --git a/glass-mirror/pom.xml b/glass-mirror/pom.xml
index 969293a22..d3ac335e3 100755
--- a/glass-mirror/pom.xml
+++ b/glass-mirror/pom.xml
@@ -27,7 +27,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-mirror</artifactId>
-      <version>v1-rev28-1.17.0-rc</version>
+      <version>v1-rev37-1.17.0-rc</version>
       <exclusions>        
         <exclusion>
           <groupId>commons-logging</groupId>
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-oauth2</artifactId>
-      <version>v2-rev51-1.17.0-rc</version>
+      <version>v2-rev59-1.17.0-rc</version>
     </dependency>
 
     <dependency>
@@ -66,7 +66,7 @@
     <dependency>
       <groupId>commons-codec</groupId>
       <artifactId>commons-codec</artifactId>
-      <version>1.8</version>
+      <version>1.9</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
@@ -83,13 +83,12 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpcore</artifactId>
-      <version>4.3</version>
+      <version>4.3.1</version>
     </dependency>
 
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>15.0</version>
     </dependency>
 
     <dependency>
diff --git a/pom.xml b/pom.xml
index f84d57d06..47888b9de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,6 +47,11 @@
         <version>${slf4j.version}</version>
         <scope>runtime</scope>
       </dependency>
+      <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava</artifactId>
+        <version>16.0-rc1</version>
+      </dependency>
       <dependency>
         <groupId>javax</groupId>
         <artifactId>javaee-web-api</artifactId>
diff --git a/zxing.appspot.com/pom.xml b/zxing.appspot.com/pom.xml
index 75f0a7961..9a7520005 100644
--- a/zxing.appspot.com/pom.xml
+++ b/zxing.appspot.com/pom.xml
@@ -43,7 +43,7 @@
   </parent>
 
   <properties>
-    <gwt.version>2.6.0-rc1</gwt.version>
+    <gwt.version>2.6.0-rc3</gwt.version>
   </properties>
 
   <build>
diff --git a/zxingorg/pom.xml b/zxingorg/pom.xml
index 1c491c1a9..f7cfa7980 100644
--- a/zxingorg/pom.xml
+++ b/zxingorg/pom.xml
@@ -50,7 +50,6 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>15.0</version>
     </dependency>
   </dependencies>