diff --git a/deps/v8/tools/clusterfuzz/js_fuzzer/package.json b/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
index 5a7796e6777485..711674b8020311 100644
--- a/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
+++ b/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "eslint": "^6.8.0",
-    "mocha": "^3.5.3",
+    "mocha": "^4.0.0",
     "pkg": "^4.3.4",
     "prettier": "2.0.5",
     "sinon": "^4.0.0"