diff --git a/.github/workflows/code-style.yaml b/.github/workflows/code-style.yaml
index 410538f..2a401c4 100644
--- a/.github/workflows/code-style.yaml
+++ b/.github/workflows/code-style.yaml
@@ -6,15 +6,22 @@ on:
 jobs:
   prettier:
     name: Code style
-    runs-on: ubuntu-22.04
-
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: "22.x"
           cache: "yarn"
-
       - run: yarn install
-
       - run: npx prettier --check .
+
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check workflow files
+        run: |
+          bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+          ./actionlint -color
+        shell: bash