diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index 5a1918f8..504d9a95 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -30,8 +30,9 @@ env:
 
 jobs:
   build-and-deploy:
-    # 2026-04-02 Claude Code: 修正為 self-hosted (ADR-039 鐵律 + feedback_github_billing.md)
-    runs-on: self-hosted
+    # 2026-04-02 ogt: Gitea runner label 是 ubuntu-latest (非 GitHub 的 self-hosted)
+    # ADR-039 鐵律: 使用自建 runner，但 Gitea label matching 不同於 GitHub
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4