diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/json-schema-traverse/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/json-schema-traverse/package.json
index 156606327babd..41ef2167717fa 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/json-schema-traverse/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/json-schema-traverse/package.json
@@ -27,7 +27,7 @@
     "coveralls": "^2.13.1",
     "eslint": "^3.19.0",
     "mocha": "^3.4.2",
-    "nyc": "^11.0.2",
+    "nyc": "^15.0.0",
     "pre-commit": "^1.2.2"
   },
   "nyc": {