diff --git a/lib/js/package.json b/lib/js/package.json
index 8b16d95..a10aaf1 100644
--- a/lib/js/package.json
+++ b/lib/js/package.json
@@ -19,7 +19,7 @@
     "grunt-contrib-qunit": "^3.1.0",
     "grunt-contrib-uglify": "^1.0.1",
     "grunt-jsdoc": "^2.2.1",
-    "grunt-shell-spawn": "^0.3.12",
+    "grunt-shell-spawn": "^0.4.0",
     "jslint": "^0.12.0",
     "node-int64": "^0.4.0"
   },