diff --git a/package.json b/package.json
index 66c18a3..496c15c 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "eslint-config-google": "^0.7.1",
     "lodash": "^4.17.2",
     "mocha": "^3.2.0",
-    "nyc": "^10.0.0",
+    "nyc": "^14.0.0",
     "standard-version": "^4.0.0",
     "watch": "latest"
   },