diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7aa4bf8..5e24778 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,6 +8,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  # renovate: datasource=node-version depName=node
+  NODE_VERSION: 22.14.0
+
 jobs:
   prettier:
     runs-on: ubuntu-24.04
@@ -21,7 +25,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
-          node-version: 22.14.0
+          node-version: ${{ env.NODE_VERSION }}
           cache: pnpm
 
       - name: Install dev dependencies
diff --git a/renovate.json b/renovate.json
deleted file mode 100644
index 22a9943..0000000
--- a/renovate.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": ["config:recommended"]
-}
diff --git a/renovate.json5 b/renovate.json5
new file mode 100644
index 0000000..75ff460
--- /dev/null
+++ b/renovate.json5
@@ -0,0 +1,4 @@
+{
+  $schema: "https://docs.renovatebot.com/renovate-schema.json",
+  extends: ["config:recommended", "customManagers:githubActionsVersions"],
+}