diff --git a/Dockerfile b/Dockerfile
index 5a0b349..8599126 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18.12.1-slim
+FROM node:20.10.0-slim
 ENV APP_ROOT /app/
 
 # wasi-sdk
diff --git a/package.json b/package.json
index 748f6c1..d755475 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@kobakazu0429/eslint-config-typescript": "3.1.5",
     "@types/cors": "2.8.14",
     "@types/express": "4.17.19",
-    "@types/node": "18.11.19",
+    "@types/node": "20.9.3",
     "@types/ws": "8.5.7",
     "eslint": "8.26.0",
     "ts-node": "10.9.1",
diff --git a/yarn.lock b/yarn.lock
index 07c3d0d..3c11e14 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -193,10 +193,12 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.9.6.tgz#040a64d7faf9e5d9e940357125f0963012e66f04"
   integrity sha512-YHUZhBOMTM3mjFkXVcK+WwAcYmyhe1wL4lfqNtzI0b3qAy7yuSetnM7QJazgE5PFmgVTNGiLOgRFfJMqW7XpSQ==
 
-"@types/node@18.11.19":
-  version "18.11.19"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.11.19.tgz#35e26df9ec441ab99d73e99e9aca82935eea216d"
-  integrity sha512-YUgMWAQBWLObABqrvx8qKO1enAvBUdjZOAWQ5grBAkp5LQv45jBvYKZ3oFS9iKRCQyFjqw6iuEa1vmFqtxYLZw==
+"@types/node@20.9.3":
+  version "20.9.3"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.9.3.tgz#e089e1634436f676ff299596c9531bd2b59fffc6"
+  integrity sha512-nk5wXLAXGBKfrhLB0cyHGbSqopS+nz0BUgZkUQqSHSSgdee0kssp1IAqlQOu333bW+gMNs2QREx7iynm19Abxw==
+  dependencies:
+    undici-types "~5.26.4"
 
 "@types/qs@*":
   version "6.9.7"
@@ -1755,6 +1757,11 @@ unbox-primitive@^1.0.1:
     has-symbols "^1.0.2"
     which-boxed-primitive "^1.0.2"
 
+undici-types@~5.26.4:
+  version "5.26.5"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
+  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"