diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/glob-parent/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/glob-parent/package.json
index 0f7ec2380533c..4e6c22278d1ae 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/glob-parent/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/glob-parent/package.json
@@ -33,7 +33,7 @@
     "eslint-config-gulp": "^3.0.1",
     "expect": "^1.20.2",
     "mocha": "^6.0.2",
-    "nyc": "^13.3.0"
+    "nyc": "^15.0.0"
   },
   "keywords": [
     "glob",