diff --git a/package.json b/package.json
index 28f8dc6..d5fdc9a 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "conventional-changelog-cli": "^1.3.13",
     "cross-env": "^5.1.3",
     "docsify-cli": "^4.2.0",
-    "nyc": "^11.4.1",
+    "nyc": "^12.0.1",
     "ts-node": "^5.0.0",
     "typescript": "^2.7.2"
   }