diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index df24f8f..21eadef 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -50,10 +50,14 @@ jobs:
           pip install -r backend/requirements.txt
 
       - name: Run tests
-        run: pytest tests/ --cov=backend --cov-report=term -q
-        # Coverage report is printed in console (--cov-report=term).
-        # XML artifact upload (actions/upload-artifact@v4) not available
-        # on self-hosted Gitea runner without GitHub internet access.
+        run: pytest tests/ --cov=backend --cov-report=xml --cov-report=term -q
+
+      - name: Upload coverage artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-report
+          path: coverage.xml
+          retention-days: 30
 
   # ── Security scan ─────────────────────────────────────────────────
   security: