diff --git a/package.json b/package.json
index 70dfd73..fb47af5 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "eslint-plugin-standard": "^5.0.0",
     "koa": "^2.13.4",
     "mocha": "^10.0.0",
-    "nyc": "^15.1.0",
+    "nyc": "^17.1.0",
     "supertest": "^6.2.3"
   },
   "license": "MIT",