diff --git a/etc/default/jenkins b/etc/default/jenkins
index 13fc12a9695b644153e66bad172238de3cc197a8..ab23df6b5530097fcfa1458acf970da30557c5c3 100644
--- a/etc/default/jenkins
+++ b/etc/default/jenkins
@@ -8,7 +8,7 @@ JAVA=/usr/bin/java
 
 # arguments to pass to java
 #JAVA_ARGS="-Xmx512m"  # + MaxPermSize is 128m normally
-JAVA_ARGS="-Xmx1024m -XX:MaxPermSize=256m"
+JAVA_ARGS="-Xmx2048m -XX:MaxPermSize=256m"
 #JAVA_ARGS="-Djava.net.preferIPv4Stack=true" # make jenkins listen on IPv4 address
 
 PIDFILE=/var/run/jenkins/jenkins.pid