diff --git a/package.json b/package.json
index abb12f7..1e7524b 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
 		"@types/jsdom": "20.0.1",
 		"@types/koa": "2.13.5",
 		"@types/koa__router": "12.0.0",
+		"@types/lodash": "4.14.191",
 		"@types/node-fetch": "2",
 		"@types/websocket": "1.0.5",
 		"@typescript-eslint/eslint-plugin": "5.44.0",
diff --git a/yarn.lock b/yarn.lock
index e3d934c..0dedc82 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -903,6 +903,11 @@
   dependencies:
     "@types/koa" "*"
 
+"@types/lodash@4.14.191":
+  version "4.14.191"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.191.tgz#09511e7f7cba275acd8b419ddac8da9a6a79e2fa"
+  integrity sha512-BdZ5BCCvho3EIXw6wUCXHe7rS53AIDPLE+JzwgT+OsJk53oBfbSmZZ7CX4VaRoN78N+TJpFi9QPlfIVNmJYWxQ==
+
 "@types/lokijs@1.5.7":
   version "1.5.7"
   resolved "https://registry.yarnpkg.com/@types/lokijs/-/lokijs-1.5.7.tgz#5eb4b189149681a89acad6dc8adb088f6025feb3"