diff --git a/package.json b/package.json
index 085cca3..353dc6e 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "eslint": "^4.4.1",
     "js-promisify": "^1.1.0",
     "mocha": "^4.0.0",
-    "nyc": "^11.1.0",
+    "nyc": "^12.0.1",
     "rimraf": "^2.6.1",
     "webpack": "^3.5.4",
     "yaml-loader": "^0.5.0"