diff --git a/package.json b/package.json
index 69c07f8..14d1c2b 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "grunt-contrib-watch": "~1.1.0",
     "grunt-docco": "~0.5.0",
     "grunt-jekyll": "~1.0.1",
-    "grunt-shell": "~3.0.1"
+    "grunt-shell": "~4.0.0"
   },
   "scripts": {
     "build": "grunt build",