diff --git a/package.json b/package.json
index 5fc92e9..baea430 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "ava": "^2.2.0",
     "codecov": "^3.5.0",
     "got": "^9.6.0",
-    "nyc": "^14.1.1",
+    "nyc": "^15.0.1",
     "prettier": "^1.17.1",
     "prismy": "^0.13.0",
     "prismy-cookie": "^0.4.1",