diff --git a/package.json b/package.json
index fbbc16f..c99822e 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "lint-staged": "^4.1.3",
     "memory-fs": "^0.4.1",
     "mocha": "^3.2.0",
-    "nyc": "^11.0.2",
+    "nyc": "^12.0.1",
     "prettier": "^1.6.1",
     "webpack": "^3.1.0"
   },