diff --git a/package.json b/package.json
index c38116f..e1e091b 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,6 @@
     "chai": "^4.0.1",
     "codecov": "^3.0.0",
     "mocha": "^5.0.0",
-    "nyc": "^12.0.1"
+    "nyc": "^13.2.0"
   }
 }