diff --git a/pom.xml b/pom.xml
index 647418c..7d62b5e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,6 +28,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.target>1.7</maven.compiler.target>
+    <maven.compiler.source>1.7</maven.compiler.source>
   </properties>
 
   <dependencies>