diff --git a/package.json b/package.json
index b252658..f04a2ca 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "karma-webpack": "^3.0.0",
     "mock-browser": "^0.92.12",
     "nightwatch": "^1.0.1",
-    "nyc": "^11.0.3",
+    "nyc": "^12.0.1",
     "phantomjs": "^2.1.7",
     "remove": "^0.1.5",
     "rollup": "^0.58.0",