diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cbeccb3154..461b6fe010 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
           cache: npm
       - run: npm install
       - run: npm run lint
diff --git a/.github/workflows/update-prettier.yml b/.github/workflows/update-prettier.yml
index d63b6d2b6d..5bf96956ef 100644
--- a/.github/workflows/update-prettier.yml
+++ b/.github/workflows/update-prettier.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           cache: npm
-          node-version: 16
+          node-version: 22
       - run: npm ci
       - run: npm run lint:fix
       - uses: gr2m/create-or-update-pull-request-action@v1.x
diff --git a/package-lock.json b/package-lock.json
index 7fd547a8fe..8e3b091178 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@types/jsesc": "^3.0.1",
         "@types/lodash.camelcase": "^4.3.7",
         "@types/lodash.kebabcase": "^4.1.7",
-        "@types/node": "^20.0.0",
+        "@types/node": "^22.0.0",
         "@types/rimraf": "^4.0.5",
         "@types/validate-npm-package-name": "^4.0.0",
         "prettier": "^3.2.4",
@@ -260,13 +260,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.16.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.16.1.tgz",
-      "integrity": "sha512-zJDo7wEadFtSyNz5QITDfRcrhqDvQI1xQNQ0VoizPjM/dVAODqqIUWbJPkvsxmTI0MYRGRikcdjMPhOssnPejQ==",
+      "version": "22.17.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.17.1.tgz",
+      "integrity": "sha512-y3tBaz+rjspDTylNjAX37jEC3TETEFGNJL6uQDxwF9/8GLLIjW1rvVHlynyuUKMnMr1Roq8jOv3vkopBjC4/VA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.19.2"
+        "undici-types": "~6.21.0"
       }
     },
     "node_modules/@types/rimraf": {
@@ -3008,9 +3008,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.19.8",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
-      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 1c8e08be16..d158680031 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@types/jsesc": "^3.0.1",
     "@types/lodash.camelcase": "^4.3.7",
     "@types/lodash.kebabcase": "^4.1.7",
-    "@types/node": "^20.0.0",
+    "@types/node": "^22.0.0",
     "@types/rimraf": "^4.0.5",
     "@types/validate-npm-package-name": "^4.0.0",
     "prettier": "^3.2.4",
diff --git a/templates/__common__/Dockerfile b/templates/__common__/Dockerfile
index bb1a3aaa5e..3c002e95f4 100644
--- a/templates/__common__/Dockerfile
+++ b/templates/__common__/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-slim
+FROM node:22-slim
 WORKDIR /usr/src/app
 COPY package.json package-lock.json ./
 RUN npm ci --production
diff --git a/templates/basic-ts/package.json b/templates/basic-ts/package.json
index 4fe63bb6aa..6296196492 100644
--- a/templates/basic-ts/package.json
+++ b/templates/basic-ts/package.json
@@ -20,7 +20,7 @@
     "probot": "^13.4.5"
   },
   "devDependencies": {
-    "@types/node": "^20.0.0",
+    "@types/node": "^22.0.0",
     "nock": "^14.0.5",
     "smee-client": "^2.0.0",
     "vitest": "^2.0.0",