diff --git a/Dockerfile b/Dockerfile
index 4e3efab..acd9826 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:22.20-alpine AS builder
+FROM node:24.9-alpine AS builder
 
 COPY . /app
 
@@ -9,7 +9,7 @@ RUN --mount=type=cache,target=/root/.npm-production npm ci --ignore-scripts --om
 RUN --mount=type=cache,target=/root/.npm npm run build
 
 # --- Release Stage ---
-FROM node:22-alpine AS release
+FROM node:24-alpine AS release
 
 # Set up a non-root user ('appuser'/'appgroup') to avoid running as root - good security practice!
 # (-S is the Alpine option for a system user/group, suitable here)
diff --git a/package-lock.json b/package-lock.json
index 7421ab0..a6dbb1f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "line-bot-mcp-server": "dist/index.js"
       },
       "devDependencies": {
-        "@types/node": "^22",
+        "@types/node": "^24.0.0",
         "prettier": "3.6.2",
         "shx": "^0.4.0",
         "tsx": "^4.19.3",
@@ -467,6 +467,15 @@
         "axios": "^1.7.4"
       }
     },
+    "node_modules/@line/bot-sdk/node_modules/@types/node": {
+      "version": "22.18.12",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.18.12.tgz",
+      "integrity": "sha512-BICHQ67iqxQGFSzfCFTT7MRQ5XcBjG5aeKh5Ok38UBbPe5fxTyE+aHFxwVrGyr8GNlqFMLKD1D3P2K/1ks8tog==",
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
     "node_modules/@modelcontextprotocol/sdk": {
       "version": "1.20.1",
       "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.20.1.tgz",
@@ -529,14 +538,22 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.18.12",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.18.12.tgz",
-      "integrity": "sha512-BICHQ67iqxQGFSzfCFTT7MRQ5XcBjG5aeKh5Ok38UBbPe5fxTyE+aHFxwVrGyr8GNlqFMLKD1D3P2K/1ks8tog==",
+      "version": "24.9.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.9.1.tgz",
+      "integrity": "sha512-QoiaXANRkSXK6p0Duvt56W208du4P9Uye9hWLWgGMDTEoKPhuenzNcC4vGUmrNkiOKTlIrBoyNQYNpSwfEZXSg==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.16.0"
       }
     },
+    "node_modules/@types/node/node_modules/undici-types": {
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/accepts": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
diff --git a/package.json b/package.json
index 09e493a..7629fc6 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "zod": "^3.25.76"
   },
   "devDependencies": {
-    "@types/node": "^22",
+    "@types/node": "^24.0.0",
     "prettier": "3.6.2",
     "shx": "^0.4.0",
     "tsx": "^4.19.3",