diff --git a/jjb/appc/appc-master.yaml b/jjb/appc/appc-master.yaml
index 16a7172..3d16d22 100644
--- a/jjb/appc/appc-master.yaml
+++ b/jjb/appc/appc-master.yaml
@@ -49,6 +49,7 @@
           mvn-params: '-DskipTests'
           build-timeout: 60
           build-node: ubuntu1604-builder-8c-8g
+          mvn-opts: "-Xmx4000m -XX:MaxPermSize=256m"
     nexus-iq-namespace: 'onap-'
     project: 'appc'
     project-name: 'appc'