diff --git a/grouper-to-midpoint-docker/pom.xml b/grouper-to-midpoint-docker/pom.xml
index 1dd807b..ad0ffdc 100644
--- a/grouper-to-midpoint-docker/pom.xml
+++ b/grouper-to-midpoint-docker/pom.xml
@@ -17,6 +17,10 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <properties>
+       <maven.compiler.source>1.6</maven.compiler.source>
+       <maven.compiler.target>1.6</maven.compiler.target>
+    </properties>
     <modelVersion>4.0.0</modelVersion>
     <groupId>edu.unc.tier</groupId>
     <artifactId>groupermidpoint</artifactId>