diff --git a/package.json b/package.json
index 81fff56..9252cd9 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   },
   "devDependencies": {
     "coffeelint": "^1.15.7",
+    "escape-string-regexp": "^1.0.5",
     "grunt": "^0.4.5",
     "grunt-cli": "^0.1.13",
     "grunt-coffeelint": "0.0.13",