diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 9c2f6bd..8a9b4d2 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -30,6 +30,10 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Convert image name to lowercase
+        id: image
+        run: echo "image=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}" | tr '[:upper:]' '[:lower:]' | xargs -I {} echo "name={}" >> $GITHUB_OUTPUT
+
       - name: Log in to Container Registry
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
@@ -56,5 +60,5 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME | lowercase }}:buildcache
-          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME | lowercase }}:buildcache,mode=max
+          cache-from: type=registry,ref=${{ steps.image.outputs.name }}:buildcache
+          cache-to: type=registry,ref=${{ steps.image.outputs.name }}:buildcache,mode=max