diff --git a/package.json b/package.json
index a064690..1e01ce5 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "chai": "^4.1.2",
     "coveralls": "^3.0.0",
-    "nyc": "^11.7.1",
+    "nyc": "^12.0.2",
     "mocha": "^5.1.1"
   }
 }