diff --git a/java/demo/pom.xml b/java/demo/pom.xml
index 63ca620cb..68dace682 100644
--- a/java/demo/pom.xml
+++ b/java/demo/pom.xml
@@ -25,8 +25,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.3.2</version>
         <configuration>
-          <source>1.6</source>
-	  <target>1.6</target>
+          <source>1.7</source>
+	  <target>1.7</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/java/pom.xml b/java/pom.xml
index 02f62017a..79535d4ab 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -161,8 +161,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.3.2</version>
         <configuration>
-          <source>1.6</source>
-	  <target>1.6</target>
+          <source>1.7</source>
+	  <target>1.7</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/cpp-build/pom.xml b/tools/java/cpp-build/pom.xml
index efef9c57e..d5ebc8f03 100644
--- a/tools/java/cpp-build/pom.xml
+++ b/tools/java/cpp-build/pom.xml
@@ -27,8 +27,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.6</source>
-	  <target>1.6</target>
+          <source>1.7</source>
+	  <target>1.7</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/data/pom.xml b/tools/java/data/pom.xml
index 3630216dd..779f947cc 100644
--- a/tools/java/data/pom.xml
+++ b/tools/java/data/pom.xml
@@ -49,8 +49,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.6</source>
-	  <target>1.6</target>
+          <source>1.7</source>
+	  <target>1.7</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/java-build/pom.xml b/tools/java/java-build/pom.xml
index 2bf22eeef..5e52abdb7 100644
--- a/tools/java/java-build/pom.xml
+++ b/tools/java/java-build/pom.xml
@@ -49,8 +49,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.6</source>
-	  <target>1.6</target>
+          <source>1.7</source>
+	  <target>1.7</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>