diff --git a/org.eclipse.jdt.releng/JDT.setup b/org.eclipse.jdt.releng/JDT.setup
index cc27397..9ef9d17 100644
--- a/org.eclipse.jdt.releng/JDT.setup
+++ b/org.eclipse.jdt.releng/JDT.setup
@@ -32,7 +32,7 @@
   <setupTask
       xsi:type="setup:EclipseIniTask"
       option="-Xmx"
-      value="2048m"
+      value="4g"
       vm="true"/>
   <setupTask
       xsi:type="setup:ResourceCreationTask"