diff --git a/package.json b/package.json
index c8434302..30492c4a 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "flow-typed": "2.0.0",
     "mocha": "3.1.2",
     "node-fetch": "1.6.3",
-    "nyc": "8.4.0",
+    "nyc": "9.0.1",
     "remark-cli": "2.1.0",
     "remark-lint": "5.2.0",
     "remark-preset-lint-recommended": "1.0.0",