diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 9ab2243..47bd7bb 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -100,13 +100,31 @@ jobs:
       - name: Tag as branch-latest
         if: env.NEEDS_BUILD == 'true'
         run: |
-          skopeo copy \
-            --src-creds="${{ gitea.actor }}:${{ secrets.PACKAGE_TOKEN }}" \
-            --dest-creds="${{ gitea.actor }}:${{ secrets.PACKAGE_TOKEN }}" \
-            --src-tls-verify=false \
-            --dest-tls-verify=false \
-            "docker://${{ env.REGISTRY }}/${{ env.FULL_IMAGE_PATH }}:${{ env.IMAGE_TAG }}" \
-            "docker://${{ env.REGISTRY }}/${{ env.FULL_IMAGE_PATH }}:${{ env.BRANCH_TAG }}"
+          AUTH=$(echo -n "${{ gitea.actor }}:${{ secrets.PACKAGE_TOKEN }}" | base64 -w0)
+          REGISTRY_API="https://${{ env.REGISTRY }}/v2/${{ env.FULL_IMAGE_PATH }}"
+
+          # Fetch the manifest (try OCI index first, then v2, then v1)
+          for MEDIA_TYPE in \
+            "application/vnd.oci.image.index.v1+json" \
+            "application/vnd.docker.distribution.manifest.list.v2+json" \
+            "application/vnd.docker.distribution.manifest.v2+json" \
+            "application/vnd.oci.image.manifest.v1+json"; do
+            MANIFEST=$(curl -sk \
+              -H "Authorization: Basic $AUTH" \
+              -H "Accept: $MEDIA_TYPE" \
+              "${REGISTRY_API}/manifests/${{ env.IMAGE_TAG }}")
+            if echo "$MANIFEST" | grep -q '"mediaType"\|"schemaVersion"\|"manifests"\|"layers"'; then
+              break
+            fi
+          done
+
+          echo "Manifest fetched, pushing as ${{ env.BRANCH_TAG }}..."
+          curl -sk -X PUT \
+            -H "Authorization: Basic $AUTH" \
+            -H "Content-Type: $MEDIA_TYPE" \
+            -d "$MANIFEST" \
+            "${REGISTRY_API}/manifests/${{ env.BRANCH_TAG }}" \
+            -o /dev/null -w "HTTP %{http_code}\n"
 
       # 6. Deploy-Image festlegen
       #    - Build passiert: SHA-Tag verwenden (exakt dieser Stand)