diff --git a/actions/sign-container/action.yml b/actions/sign-container/action.yml
index a853f43..46e8e44 100644
--- a/actions/sign-container/action.yml
+++ b/actions/sign-container/action.yml
@@ -21,6 +21,9 @@ runs:
       uses: sigstore/cosign-installer@v3
     - name: Sign containers images
       shell: bash
+      env:
+        TAGS: ${{ inputs.tags }}
+        DIGEST: ${{ inputs.digest }}
       run: |
           images=""
           for tag in ${TAGS}; do