diff --git a/package.json b/package.json
index d680d20..eb202d7 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "markdownlint-cli": "^0.18.0",
     "mocha": "^8.1.3",
     "mocha-steps": "^1.3.0",
-    "nyc": "^14.1.1",
+    "nyc": "^15.1.0",
     "prettier": "^2.1.2",
     "promise-readable": "^5.0.3",
     "promise-writable": "^5.0.3",