diff --git a/ci/docker-publish.yml b/ci/docker-publish.yml
index bb193ad..21f5bd1 100644
--- a/ci/docker-publish.yml
+++ b/ci/docker-publish.yml
@@ -56,6 +56,9 @@ jobs:
       - name: Push image
         run: |
           IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
+          
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
 
           # Strip git ref prefix from version
           VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')