diff --git a/package.json b/package.json
index 819d9d7..1be10ad 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "istanbul": "^0.4.2",
     "karma": "^0.13.22",
     "karma-browserify": "^5.0.2",
-    "karma-coverage": "^0.5.5",
+    "karma-coverage": "^1.0.0",
     "karma-mocha": "^1.0.1",
     "karma-phantomjs-launcher": "^1.0.0",
     "karma-sauce-launcher": "^1.0.0",