diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/is-number/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/is-number/package.json
index 3715072609d61..97683f68e8bb5 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/is-number/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/is-number/package.json
@@ -27,8 +27,8 @@
   "devDependencies": {
     "ansi": "^0.3.1",
     "benchmark": "^2.1.4",
-    "gulp-format-md": "^1.0.0",
-    "mocha": "^3.5.3"
+    "gulp-format-md": "^2.0.0",
+    "mocha": "^10.1.0"
   },
   "keywords": [
     "cast",