diff --git a/.github/actions/build-dep-image-with-apko/action.yml b/.github/actions/build-dep-image-with-apko/action.yml
index a327f0eeb..61db8939e 100644
--- a/.github/actions/build-dep-image-with-apko/action.yml
+++ b/.github/actions/build-dep-image-with-apko/action.yml
@@ -24,6 +24,12 @@ inputs:
     default: 'false'
     required: false
 
+outputs:
+  digest:
+    value: ${{ steps.apko-publish.outputs.digest }}
+    description: |
+      The digest of the published container image.
+
 runs:
   using: "composite"
   steps:
@@ -41,6 +47,7 @@ runs:
         fi
 
     - uses: chainguard-images/actions/apko-publish@main
+      id: apko-publish
       if: ${{ inputs.overwrite == 'true' || steps.check-image-exists.outputs.image-exists == 'false' }}
       with:
         config: ${{ inputs.apko-config }}