diff --git a/pregelix/pregelix-core/pom.xml b/pregelix/pregelix-core/pom.xml
index ab163cb..0908829 100644
--- a/pregelix/pregelix-core/pom.xml
+++ b/pregelix/pregelix-core/pom.xml
@@ -65,8 +65,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>2.0.2</version>
 				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
+					<source>1.6</source>
+					<target>1.6</target>
 				</configuration>
 			</plugin>
 			<plugin>