diff --git a/pom.xml b/pom.xml
index 33bcce20..5b0c4835 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
   <properties>
     <maven.javadoc.skip>true</maven.javadoc.skip>
-    <cs.jdk.version>1.8</cs.jdk.version>
+    <cs.jdk.version>1.7</cs.jdk.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>