diff --git a/.github/workflows/push-docker.yml b/.github/workflows/push-docker.yml
index b21c1b4..4238e80 100644
--- a/.github/workflows/push-docker.yml
+++ b/.github/workflows/push-docker.yml
@@ -24,6 +24,10 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
+      - name: Lowercase GitHub repository name
+        run: |
+          echo "IMAGE_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
       - name: Build and publish a Docker image for ${{ github.repository }}
         uses: docker/build-push-action@v3
         with:
@@ -31,4 +35,4 @@ jobs:
           file: ./Containerfile
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ghcr.io/${{ github.repository }}:latest
+          tags: ghcr.io/${{ env.IMAGE_NAME }}:latest