diff --git a/lib/grunt/utils.js b/lib/grunt/utils.js
index 86f16303..9d42ce3b 100644
--- a/lib/grunt/utils.js
+++ b/lib/grunt/utils.js
@@ -141,6 +141,7 @@ module.exports = {
     shell.exec(
         'java ' +
             this.java32flags() + ' ' +
+            '-Xmx2g ' +
             '-classpath ./components/closure-compiler/compiler.jar' + classPathSep +
             './components/ng-closure-runner/ngcompiler.jar ' +
             'org.angularjs.closurerunner.NgClosureRunner ' +