diff --git a/package.json b/package.json
index af0afbf..d7140dc 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
 		"grunt": "^1.0.2",
 		"grunt-contrib-uglify": "^3.3.0",
 		"mocha": "^5.2.0",
-		"mocha-headless-chrome": "^2.0.1",
+		"mocha-headless-chrome": "^4.0.0",
 		"open": "7.0.0",
 		"serve-static": "^1.7.1"
 	},