diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/core-js/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/core-js/package.json
index e5760f4540682..5c84b65de05a0 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/core-js/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/core-js/package.json
@@ -20,7 +20,7 @@
     "grunt-contrib-watch": "^1.0.0",
     "grunt-karma": "^2.0.0",
     "grunt-livescript": "0.6.x",
-    "karma": "^2.0.0",
+    "karma": "^5.0.8",
     "karma-qunit": "^2.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.0.1",