diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7b56d1..6c32ae1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup Node.js for EditorConfig tools
         uses: actions/setup-node@v4 # v4.4.0
         with:
-          node-version: '18'
+          node-version: '22'
       - name: Install EditorConfig tools
         run: npm install -g eclint
       - name: Check EditorConfig compliance
diff --git a/testdata/yaml-fixtures/package.json b/testdata/yaml-fixtures/package.json
index b3be131..e32f1f1 100644
--- a/testdata/yaml-fixtures/package.json
+++ b/testdata/yaml-fixtures/package.json
@@ -11,6 +11,6 @@
     "@actions/github": "^5.1.1"
   },
   "devDependencies": {
-    "@types/node": "^20.0.0"
+    "@types/node": "^22.0.0"
   }
 }