diff --git a/plugins-parent/project.properties b/plugins-parent/project.properties
index afb9ff24..4586e7da 100644
--- a/plugins-parent/project.properties
+++ b/plugins-parent/project.properties
@@ -146,6 +146,7 @@ maven.scm.checkout.dir=${maven.build.dir}/scm/checkout
 # Fork so that plugins unit tests are run with the correct classpath
 maven.junit.fork = true
 maven.junit.forkmode = once
+maven.junit.jvmargs = -XX:MaxPermSize=128m -Xmx512m
 
 #=====
 # XDOC plugin settings