diff --git a/package.json b/package.json
index daef1a3..ff15d89 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     },
     "devDependencies": {
         "express": "4.16.2",
-        "grunt": "1.0.1",
+        "grunt": "1.6.1",
         "grunt-autoprefixer": "3.0.4",
         "grunt-cli": "1.2.0",
         "grunt-contrib-connect": "1.0.2",