diff --git a/test/fixtures/wpt/resources/webidl2/package.json b/test/fixtures/wpt/resources/webidl2/package.json
index 92faccafa813fb..5bf59b21fe5e07 100644
--- a/test/fixtures/wpt/resources/webidl2/package.json
+++ b/test/fixtures/wpt/resources/webidl2/package.json
@@ -11,9 +11,9 @@
   "license": "W3C",
   "dependencies": {},
   "devDependencies": {
-    "expect": "22.4.0",
+    "expect": "24.0.0",
     "jsondiffpatch": "0.3.5",
-    "mocha": "5.0.4"
+    "mocha": "10.6.0"
   },
   "scripts": {
     "test": "mocha",