diff --git a/Dockerfile b/Dockerfile
index 217d8f26..59aeec0e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Environment setup
-FROM node:20.17.0-alpine
+FROM node:22.11.0-alpine
 LABEL org.opencontainers.image.source https://github.com/GizmoDevelopment/ramune-chat
 WORKDIR /opt/production
 
diff --git a/package.json b/package.json
index 77a05e77..4d5a042b 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 		"url": "git+https://github.com/GizmoDevelopment/ramune-chat.git"
 	},
 	"engines": {
-		"node": ">=20.18.0"
+		"node": ">=22.11.0"
 	},
 	"packageManager": "pnpm@9.14.2",
 	"scripts": {
@@ -21,7 +21,7 @@
 	"devDependencies": {
 		"@gizmo-dev/eslint-plugin": "^5.0.5",
 		"@sentry/types": "^8.40.0",
-		"@types/node": "^20.16.10",
+		"@types/node": "^22.10.0",
 		"@types/sanitize-html": "^2.13.0",
 		"eslint": "^9.15.0",
 		"globals": "^15.12.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a24b7aec..87cff7ed 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,8 +43,8 @@ importers:
         specifier: ^8.40.0
         version: 8.40.0
       '@types/node':
-        specifier: ^20.16.10
-        version: 20.17.7
+        specifier: ^22.10.0
+        version: 22.10.0
       '@types/sanitize-html':
         specifier: ^2.13.0
         version: 2.13.0
@@ -445,8 +445,8 @@ packages:
   '@types/mysql@2.15.26':
     resolution: {integrity: sha512-DSLCOXhkvfS5WNNPbfn2KdICAmk8lLc+/PNvnPnF7gOdMZCxopXduqv0OQ13y/yA/zXTSikZZqVgybUxOEg6YQ==}
 
-  '@types/node@20.17.7':
-    resolution: {integrity: sha512-sZXXnpBFMKbao30dUAvzKbdwA2JM1fwUtVEq/kxKuPI5mMwZiRElCpTXb0Biq/LMEVpXDZL5G5V0RPnxKeyaYg==}
+  '@types/node@22.10.0':
+    resolution: {integrity: sha512-XC70cRZVElFHfIUB40FgZOBbgJYFKKMa5nb9lxcwYstFG/Mi+/Y0bGS+rs6Dmhmkpq4pnNiLiuZAbc02YCOnmA==}
 
   '@types/pg-pool@2.0.6':
     resolution: {integrity: sha512-TaAUE5rq2VQYxab5Ts7WZhKNmuN78Q6PiFonTDdpbx8a1H0M1vhy3rhiMjl+e2iHmogyMw7jZF4FrE6eJUy5HQ==}
@@ -1211,8 +1211,8 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
-  undici-types@6.19.8:
-    resolution: {integrity: sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==}
+  undici-types@6.20.0:
+    resolution: {integrity: sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==}
 
   uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
@@ -1754,13 +1754,13 @@ snapshots:
 
   '@types/connect@3.4.36':
     dependencies:
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
 
   '@types/cookie@0.4.1': {}
 
   '@types/cors@2.8.17':
     dependencies:
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
 
   '@types/estree@1.0.6': {}
 
@@ -1768,11 +1768,11 @@ snapshots:
 
   '@types/mysql@2.15.26':
     dependencies:
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
 
-  '@types/node@20.17.7':
+  '@types/node@22.10.0':
     dependencies:
-      undici-types: 6.19.8
+      undici-types: 6.20.0
 
   '@types/pg-pool@2.0.6':
     dependencies:
@@ -1780,7 +1780,7 @@ snapshots:
 
   '@types/pg@8.6.1':
     dependencies:
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
       pg-protocol: 1.7.0
       pg-types: 2.2.0
 
@@ -1792,7 +1792,7 @@ snapshots:
 
   '@types/tedious@4.0.14':
     dependencies:
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
 
   '@typescript-eslint/eslint-plugin@8.15.0(@typescript-eslint/parser@8.15.0(eslint@9.15.0)(typescript@5.7.2))(eslint@9.15.0)(typescript@5.7.2)':
     dependencies:
@@ -2040,7 +2040,7 @@ snapshots:
     dependencies:
       '@types/cookie': 0.4.1
       '@types/cors': 2.8.17
-      '@types/node': 20.17.7
+      '@types/node': 22.10.0
       accepts: 1.3.8
       base64id: 2.0.0
       cookie: 0.7.2
@@ -2562,7 +2562,7 @@ snapshots:
 
   typescript@5.7.2: {}
 
-  undici-types@6.19.8: {}
+  undici-types@6.20.0: {}
 
   uri-js@4.4.1:
     dependencies: