diff --git a/package.json b/package.json
index 11784f4..0a9b934 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
         "@babel/register": "^7.13.14",
         "@types/greasemonkey": "^4.0.1",
         "@types/jquery": "^3.5.3",
+        "@types/node": "14",
         "@types/webpack-dev-server": "^4.0.0",
         "@types/webpack-env": "^1.15.3",
         "@typescript-eslint/eslint-plugin": "^4.4.0",
diff --git a/yarn.lock b/yarn.lock
index 6d5a34a..45f7df1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1080,6 +1080,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.0.tgz#4b95f2327bacd1ef8f08d8ceda193039c5d7f52e"
   integrity sha512-8MLkBIYQMuhRBQzGN9875bYsOhPnf/0rgXGo66S2FemHkhbn9qtsz9ywV1iCG+vbjigE4WUNVvw37Dx+L0qsPg==
 
+"@types/node@14":
+  version "14.17.28"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.17.28.tgz#c683413f485a5690649ef36cdc9402bae32da2df"
+  integrity sha512-1Nh2wEWN8y9hyC4yTDPccUnRunqNeBEFmmTU+K5FpGZOEixqAzMhUXzrBwajNYCZq5uoGaztaMN9Yy1PDMMB6Q==
+
 "@types/qs@*":
   version "6.9.7"
   resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.7.tgz#63bb7d067db107cc1e457c303bc25d511febf6cb"