diff --git a/deps/v8/tools/clusterfuzz/js_fuzzer/package.json b/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
index 5a7796e6777485..63eb998095183f 100644
--- a/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
+++ b/deps/v8/tools/clusterfuzz/js_fuzzer/package.json
@@ -22,8 +22,8 @@
   },
   "devDependencies": {
     "eslint": "^6.8.0",
-    "mocha": "^3.5.3",
-    "pkg": "^4.3.4",
+    "mocha": "^6.2.3",
+    "pkg": "^4.4.0",
     "prettier": "2.0.5",
     "sinon": "^4.0.0"
   },