diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/which/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/which/package.json
index f2ad2b3ccf22c..21e3021c756ab 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/which/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/which/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "mkdirp": "^0.5.0",
     "rimraf": "^2.6.2",
-    "tap": "^14.6.9"
+    "tap": "^18.0.0"
   },
   "scripts": {
     "test": "tap",