diff --git a/package.json b/package.json
index 912374d..fa6bd2b 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "eslint-config-birhoff": "^0.1.0",
     "lerna": "^3.4.3",
     "mocha": "^6.0.0",
-    "nyc": "^14.0.0",
+    "nyc": "^15.0.0",
     "sinon": "^7.2.4"
   }
 }