diff --git a/package.json b/package.json
index 5aeecd6..f4d0050 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "karma-mocha": "^1.1.1",
     "karma-sauce-launcher": "^2.0.0",
     "mocha": "^5.1.1",
-    "nyc": "^12.0.1",
+    "nyc": "^13.2.0",
     "pre-commit": "^1.1.1",
     "require-globify": "^1.3.0",
     "typescript": "^2.8.3",