diff --git a/package.json b/package.json
index a6195e2..bbcdbef 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/socket.io": "2.1.4",
     "@types/debug": "4.1.5",
-    "@types/express": "4.17.6",
+    "@types/express": "4.17.9",
     "@types/node": "13.9.8",
     "typescript": "3.9.5"
   },
diff --git a/yarn.lock b/yarn.lock
index 2c5e226..0b09e52 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -51,10 +51,10 @@
     "@types/node" "*"
     "@types/range-parser" "*"
 
-"@types/express@4.17.6":
-  version "4.17.6"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.6.tgz#6bce49e49570507b86ea1b07b806f04697fac45e"
-  integrity sha512-n/mr9tZI83kd4azlPG5y997C/M4DNABK9yErhFM6hKdym4kkmd9j0vtsJyjFIwfRBxtrxZtAfGZCNRIBMFLK5w==
+"@types/express@4.17.9":
+  version "4.17.9"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.9.tgz#f5f2df6add703ff28428add52bdec8a1091b0a78"
+  integrity sha512-SDzEIZInC4sivGIFY4Sz1GG6J9UObPwCInYJjko2jzOf/Imx/dlpume6Xxwj1ORL82tBbmN4cPDIDkLbWHk9hw==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "*"