diff --git a/package.json b/package.json
index d9ebbc5..da6e09c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "grunt": "1.4.0",
+    "grunt": "1.5.3",
     "grunt-eslint": "20.1.0",
     "mdextract": "1.0.0"
   },