diff --git a/package.json b/package.json
index 57b548f..2e5e24d 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "ltx": "^2.1.1"
   },
   "devDependencies": {
-    "coveralls": "^2.11.4",
+    "coveralls": "^2.11.15",
     "grunt": "~0.4.2",
     "grunt-cli": "^0.1.13",
     "grunt-contrib-jshint": "~0.11.3",