diff --git a/package.json b/package.json
index d7d19afc2..1c6b28e4d 100644
--- a/package.json
+++ b/package.json
@@ -225,7 +225,7 @@
     "swagger-cli": "^4.0.2",
     "ts-node": "^10.8.1",
     "tsc-watch": "^5.0.3",
-    "typescript": "^4.0.5"
+    "typescript": "^4.9.4"
   },
   "bundlewatch": {
     "files": [
diff --git a/tsconfig.json b/tsconfig.json
index 993acf81d..38758ff3f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -17,5 +17,5 @@
     { "path": "./server" },
     { "path": "./scripts" }
   ],
-  "files": [ "server.ts", "server/types/express.d.ts" ]
+  "files": [ "server.ts", "server/types/express.d.ts", "server/types/lib.d.ts" ]
 }
diff --git a/yarn.lock b/yarn.lock
index 4093a87fd..e8d7ceeaf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9099,10 +9099,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==
 
-typescript@^4.0.5:
-  version "4.8.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
-  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
+typescript@^4.9.4:
+  version "4.9.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.4.tgz#a2a3d2756c079abda241d75f149df9d561091e78"
+  integrity sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"