diff --git a/package.json b/package.json
index 75b1e60..3e540c4 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "loopback": "^3.6.0",
     "loopback-testing": "^1.4.0",
     "mocha": "^3.3.0",
-    "nyc": "^11.1.0",
+    "nyc": "^15.0.1",
     "semantic-release": "^7.0.2"
   },
   "config": {