diff --git a/package.json b/package.json
index 3124c66..ab4c1b8 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint-config-cssnano": "^3.0.0",
     "eslint-plugin-babel": "^3.3.0",
     "eslint-plugin-import": "^1.10.2",
-    "nyc": "^8.0.0"
+    "nyc": "^9.0.1"
   },
   "homepage": "https://github.com/postcss/postcss-devtools",
   "author": {