diff --git a/concourse/tasks/build-mvn-cache.sh b/concourse/tasks/build-mvn-cache.sh
index dea665e97..dc1b97c0b 100755
--- a/concourse/tasks/build-mvn-cache.sh
+++ b/concourse/tasks/build-mvn-cache.sh
@@ -5,9 +5,6 @@ workdir=`pwd`
 cd ${workdir}/sts4/headless-services
 ./mvnw -DskipTests package
 
-cd ${workdir}/sts4/headless-services/jdt-ls-extension
-../mvnw -DskipTests package
-
 timestamp=`date +%s`
 tarfile=${workdir}/out/sts4-mvn-cache-${timestamp}.tar.gz
 tar -czvf ${tarfile} -C ${HOME} .m2/repository
diff --git a/headless-services/pom.xml b/headless-services/pom.xml
index 9c2738c70..eceabf025 100644
--- a/headless-services/pom.xml
+++ b/headless-services/pom.xml
@@ -15,6 +15,7 @@
 		<module>concourse-language-server</module>
 		<module>spring-boot-language-server</module>
 		<module>bosh-language-server</module>
+		<module>jdt-ls-extension</module>
 	</modules>
 
 </project>