diff --git a/package.json b/package.json
index 95b66d93..2c61c6f7 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
   ],
   "dependencies": {
     "@matrix-org/matrix-sdk-crypto-nodejs": "0.1.0-beta.6",
-    "@types/express": "^4.17.20",
+    "@types/express": "^4.17.21",
     "another-json": "^0.2.0",
     "async-lock": "^1.4.0",
     "chalk": "4",
diff --git a/yarn.lock b/yarn.lock
index e68b6468..4afd41f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -804,10 +804,10 @@
     "@types/range-parser" "*"
     "@types/send" "*"
 
-"@types/express@^4.17.20":
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.20.tgz#e7c9b40276d29e38a4e3564d7a3d65911e2aa433"
-  integrity sha512-rOaqlkgEvOW495xErXMsmyX3WKBInbhG5eqojXYi3cGUaLoRDlXa5d52fkfWZT963AZ3v2eZ4MbKE6WpDAGVsw==
+"@types/express@^4.17.21":
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.21.tgz#c26d4a151e60efe0084b23dc3369ebc631ed192d"
+  integrity sha512-ejlPM315qwLpaQlQDTjPdsUFSc6ZsP4AN6AlWnogPjQ7CVi7PYF3YVz+CY3jE2pwYf7E/7HlDAN0rV2GxTG0HQ==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "^4.17.33"