diff --git a/.github/workflows/build-image.yml b/.github/workflows/build-image.yml
index 615715d..9da837e 100644
--- a/.github/workflows/build-image.yml
+++ b/.github/workflows/build-image.yml
@@ -21,6 +21,7 @@ jobs:
         with:
           images: ghcr.io/${{ env.ENDPOINT }}
           tags: |
+            type=sha,prefix=,format=short,enable=true
             type=ref,event=branch
             # set latest tag for default branch
             type=raw,value=latest,enable={{is_default_branch}}