diff --git a/package.json b/package.json
index 890d70c..d07875f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "grunt-tabs4life": "^1.0.11",
-    "hercule": "^3.0.2"
+    "hercule": "^4.0.0"
   },
   "devDependencies": {
     "chai": "^3.0.0",