diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 11b61af..8b937d2 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -47,9 +47,9 @@ jobs:
     - name: 取得程式碼
       uses: actions/checkout@${{ vars.ACTION_CHECKOUT_VERSION }}
     - name: 安裝 AI 工具
-      uses: https://gitea.jsc.idv.tw/composite-actions/antigravity@${{ vars.ACTION_ANTIGRAVITY_VERSION }}
+      uses: https://gitea.jsc.idv.tw/composite-actions/codex@${{ vars.ACTION_CODEX_VERSION }}
       with:
-        oauth: ${{ secrets.ANTIGRAVITY_OAUTH }}
+        oauth: ${{ secrets.CODEX_OAUTH }}
     - name: 檢查 AI 助理 CLI
       shell: bash
       run: |