diff --git a/.forgejo/workflows/docker-build.yml b/.forgejo/workflows/docker-build.yml
index ad7989c..ffc25a1 100644
--- a/.forgejo/workflows/docker-build.yml
+++ b/.forgejo/workflows/docker-build.yml
@@ -46,6 +46,8 @@ jobs:
           tags: |
             type=sha,prefix=,format=short
             type=raw,value=latest,enable={{is_default_branch}}
+          labels: |
+            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5