diff --git a/jbpm-test-coverage/pom.xml b/jbpm-test-coverage/pom.xml
index 9d2c8a7a8a..931b758e46 100644
--- a/jbpm-test-coverage/pom.xml
+++ b/jbpm-test-coverage/pom.xml
@@ -161,6 +161,7 @@
           <artifactId>maven-surefire-plugin</artifactId>
           <configuration>
             <skip>${skipTests}</skip>
+            <argLine>-Xmx4g</argLine>
             <runOrder>alphabetical</runOrder>
           </configuration>
         </plugin>