diff --git a/node_modules/y18n/package.json b/node_modules/y18n/package.json
index 7b2b78312a..2b5033478b 100644
--- a/node_modules/y18n/package.json
+++ b/node_modules/y18n/package.json
@@ -31,7 +31,7 @@
     "chai": "^4.0.1",
     "coveralls": "^3.0.0",
     "mocha": "^4.0.1",
-    "nyc": "^11.0.1",
+    "nyc": "^13.0.1",
     "rimraf": "^2.5.0",
     "standard": "^10.0.0-beta.0",
     "standard-version": "^4.2.0"