diff --git a/node_modules/chalk/package.json b/node_modules/chalk/package.json
index aed521aec0..beddc253b2 100644
--- a/node_modules/chalk/package.json
+++ b/node_modules/chalk/package.json
@@ -53,7 +53,7 @@
     "flow-bin": "^0.68.0",
     "import-fresh": "^2.0.0",
     "matcha": "^0.7.0",
-    "nyc": "^11.0.2",
+    "nyc": "^15.0.0",
     "resolve-from": "^4.0.0",
     "typescript": "^2.5.3",
     "xo": "*"