diff --git a/website/package.json b/website/package.json
index d1805f80e0a..74813bdedf8 100644
--- a/website/package.json
+++ b/website/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "eslint": "5.16.0",
-    "grunt": "1.0.4",
+    "grunt": "1.5.3",
     "htmlhint": "0.11.0",
     "lesshint": "6.3.6",
     "marked": "4.0.10",