diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 925cb51..bc2e8c4 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -21,5 +21,5 @@ jobs:
           context: .
           push: true
           tags: |
-            ghcr.io/${{ github.repository }}:latest
-            ghcr.io/${{ github.repository }}:${{ github.sha }}
+            ghcr.io/${{ toLower(github.repository) }}:latest
+            ghcr.io/${{ toLower(github.repository) }}:${{ github.sha }}