diff --git a/package.json b/package.json
index bb7da36..6ad7381 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "np": "2.10.1",
     "npm-run-all": "3.1.1",
     "nsp": "2.6.2",
-    "nyc": "8.3.2",
+    "nyc": "9.0.1",
     "phantomjs-prebuilt": "2.1.13",
     "rimraf": "2.5.4",
     "rollup": "0.36.3",