diff --git a/package.json b/package.json
index dce82c6..538613b 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "moment": "^2.18.1",
     "node-watch": "^0.5.5",
     "npm-run-all": "^4.0.2",
-    "nyc": "^11.0.2",
+    "nyc": "^12.0.2",
     "raw-loader": "^0.5.1",
     "rxjs": "^5.4.1",
     "shx": "^0.2.2",