diff --git a/build.xml b/build.xml
index 8ca93a73..6b2a6f1b 100644
--- a/build.xml
+++ b/build.xml
@@ -439,7 +439,7 @@ ${sourceWarning}</echo>
 		<echo>WARNING: If you wish to test JDK8 features in eclipse, there must be a JDK8 installation configured in your eclipse, and it must be called 'JavaSE-1.8'.</echo>
 	</target>
 
-	<target name="setupJavaOpenJDK6TestEnvironment" description="Sets up the test so that 'ant test' will test against OpenJDK6.">
+	<target name="setupJavaOpenJDK6TestEnvironment" depends="contrib" description="Sets up the test so that 'ant test' will test against OpenJDK6.">
 		<mkdir dir="lib/openJDK6Environment" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/javac-1.6.0.18.jar" dest="lib/openJDK6Environment/javac6.jar" verbose="true" usetimestamp="true" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/rt-openjdk6.jar" dest="lib/openJDK6Environment/rt-openjdk6.jar" verbose="true" usetimestamp="true" />
@@ -454,7 +454,7 @@ ${sourceWarning}</echo>
 		<antcall target="-createEclipseLaunchForTestEnvironmentIfEclipseProject" />
 	</target>
 
-	<target name="setupJavaOpenJDK7TestEnvironment" description="Sets up the test so that 'ant test' will test against OpenJDK7.">
+	<target name="setupJavaOpenJDK7TestEnvironment" depends="contrib" description="Sets up the test so that 'ant test' will test against OpenJDK7.">
 		<mkdir dir="lib/openJDK7Environment" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/javac-1.7.0.jar" dest="lib/openJDK7Environment/javac7.jar" verbose="true" usetimestamp="true" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/rt-openjdk7.jar" dest="lib/openJDK7Environment/rt-openjdk7.jar" verbose="true" usetimestamp="true" />
@@ -469,7 +469,7 @@ ${sourceWarning}</echo>
 		<antcall target="-createEclipseLaunchForTestEnvironmentIfEclipseProject" />
 	</target>
 	
-	<target name="setupJavaOracle7TestEnvironment" description="Sets up the test so that 'ant test' will test against OpenJDK7.">
+	<target name="setupJavaOracle7TestEnvironment" depends="contrib" description="Sets up the test so that 'ant test' will test against OpenJDK7.">
 		<mkdir dir="lib/oracleJDK7Environment" />		
 		<get src="http://projectlombok.org/ivyrepo/langtools/oracle-jdk7-tools.jar" dest="lib/oracleJDK7Environment/tools.jar" verbose="true" usetimestamp="true" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/oracle-jdk7-rt.jar" dest="lib/oracleJDK7Environment/rt.jar" verbose="true" usetimestamp="true" />
@@ -484,7 +484,7 @@ ${sourceWarning}</echo>
 		<antcall target="-createEclipseLaunchForTestEnvironmentIfEclipseProject" />
 	</target>
 	
-	<target name="setupJavaOracle8TestEnvironment" description="Sets up the test so that 'ant test' will test against OpenJDK8.">
+	<target name="setupJavaOracle8TestEnvironment" depends="contrib" description="Sets up the test so that 'ant test' will test against OpenJDK8.">
 		<mkdir dir="lib/oracleJDK8Environment" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/jdk8-javac.jar" dest="lib/oracleJDK8Environment/javac8.jar" verbose="true" usetimestamp="true" />
 		<get src="http://projectlombok.org/ivyrepo/langtools/oracle-jdk8-rt.jar" dest="lib/oracleJDK8Environment/rt.jar" verbose="true" usetimestamp="true" />