diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 635f5c3..f28ec6c 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -47,7 +47,10 @@ jobs:
         run: npx @cyclonedx/cyclonedx-npm --output-file sbom.json
 
       - name: Upload SBOM
-        uses: actions/upload-artifact@v4
+        # Gitea's artifact backend doesn't support upload-artifact@v4 (GHES) — use v3,
+        # and never let a best-effort artifact upload block the deploy.
+        continue-on-error: true
+        uses: actions/upload-artifact@v3
         with:
           name: sbom
           path: sbom.json