diff --git a/.gitea/workflows/backend-image.yml b/.gitea/workflows/backend-image.yml
index 184498a..7d7c7c4 100644
--- a/.gitea/workflows/backend-image.yml
+++ b/.gitea/workflows/backend-image.yml
@@ -45,3 +45,31 @@ jobs:
             docker tag "$image:$IMAGE_TAG" "$image:latest"
             docker push "$image:latest"
           fi
+
+      - name: Link package to repository
+        env:
+          GITEA_API: https://git.ipao.vip/api/v1
+          GITEA_OWNER: ${{ github.repository_owner }}
+          PACKAGE_NAME: ${{ github.event.repository.name }}
+          PACKAGE_VERSION: ${{ github.sha }}
+          REPOSITORY_NAME: ${{ github.event.repository.name }}
+          GITEA_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
+        run: |
+          set -eu
+          test -n "$GITEA_TOKEN"
+          expected_repo="$GITEA_OWNER/$REPOSITORY_NAME"
+          package_json="$(curl -fsS \
+            --header "Authorization: token $GITEA_TOKEN" \
+            "$GITEA_API/packages/$GITEA_OWNER/container/$PACKAGE_NAME/$PACKAGE_VERSION")"
+          linked_repo="$(printf '%s' "$package_json" | jq -r '.repository.full_name // empty')"
+          if [ -n "$linked_repo" ]; then
+            if [ "$linked_repo" != "$expected_repo" ]; then
+              echo "package is already linked to $linked_repo" >&2
+              exit 1
+            fi
+            echo "package already linked to $linked_repo"
+            exit 0
+          fi
+          curl -fsS -X POST \
+            --header "Authorization: token $GITEA_TOKEN" \
+            "$GITEA_API/packages/$GITEA_OWNER/container/$PACKAGE_NAME/-/link/$REPOSITORY_NAME"