diff --git a/package.json b/package.json
index 62858ee..b3274a0 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "license": "ISC",
   "dependencies": {
     "@slack/bolt": "^3.12.2",
-    "@types/express": "^4.17.15",
+    "@types/express": "^4.17.18",
     "@types/node": "^18.11.18",
     "cross-env": "^7.0.3",
     "dotenv": "^16.0.3",
diff --git a/yarn.lock b/yarn.lock
index 55713b6..2ba0b35 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -95,22 +95,23 @@
   dependencies:
     "@types/node" "*"
 
-"@types/express-serve-static-core@^4.17.31":
-  version "4.17.31"
-  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.31.tgz#a1139efeab4e7323834bb0226e62ac019f474b2f"
-  integrity sha512-DxMhY+NAsTwMMFHBTtJFNp5qiHKJ7TeqOo23zVEM9alT1Ml27Q3xcTH0xwxn7Q0BbMcVEJOs/7aQtUWupUQN3Q==
+"@types/express-serve-static-core@^4.17.33":
+  version "4.17.37"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.37.tgz#7e4b7b59da9142138a2aaa7621f5abedce8c7320"
+  integrity sha512-ZohaCYTgGFcOP7u6aJOhY9uIZQgZ2vxC2yWoArY+FeDXlqeH66ZVBjgvg+RLVAS/DWNq4Ap9ZXu1+SUQiiWYMg==
   dependencies:
     "@types/node" "*"
     "@types/qs" "*"
     "@types/range-parser" "*"
+    "@types/send" "*"
 
-"@types/express@^4.16.1", "@types/express@^4.17.15":
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.15.tgz#9290e983ec8b054b65a5abccb610411953d417ff"
-  integrity sha512-Yv0k4bXGOH+8a+7bELd2PqHQsuiANB+A8a4gnQrkRWzrkKlb6KHaVvyXhqs04sVW/OWlbPyYxRgYlIXLfrufMQ==
+"@types/express@^4.16.1", "@types/express@^4.17.18":
+  version "4.17.18"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.18.tgz#efabf5c4495c1880df1bdffee604b143b29c4a95"
+  integrity sha512-Sxv8BSLLgsBYmcnGdGjjEjqET2U+AKAdCRODmMiq02FgjwuV75Ut85DRpvFjyw/Mk0vgUOliGRU0UUmuuZHByQ==
   dependencies:
     "@types/body-parser" "*"
-    "@types/express-serve-static-core" "^4.17.31"
+    "@types/express-serve-static-core" "^4.17.33"
     "@types/qs" "*"
     "@types/serve-static" "*"
 
@@ -168,6 +169,14 @@
   resolved "https://registry.yarnpkg.com/@types/retry/-/retry-0.12.1.tgz#d8f1c0d0dc23afad6dc16a9e993a0865774b4065"
   integrity sha512-xoDlM2S4ortawSWORYqsdU+2rxdh4LRW9ytc3zmT37RIKQh6IHyKwwtKhKis9ah8ol07DCkZxPt8BBvPjC6v4g==
 
+"@types/send@*":
+  version "0.17.1"
+  resolved "https://registry.yarnpkg.com/@types/send/-/send-0.17.1.tgz#ed4932b8a2a805f1fe362a70f4e62d0ac994e301"
+  integrity sha512-Cwo8LE/0rnvX7kIIa3QHCkcuF21c05Ayb0ZfxPiv0W8VRiZiNW/WuRupHKpqqGVGf7SUA44QSOUKaEd9lIrd/Q==
+  dependencies:
+    "@types/mime" "^1"
+    "@types/node" "*"
+
 "@types/serve-static@*":
   version "1.13.10"
   resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.10.tgz#f5e0ce8797d2d7cc5ebeda48a52c96c4fa47a8d9"