diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b3eb0eb..afbadea 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -21,13 +21,18 @@ jobs:
         uses: docker/setup-buildx-action@v1
       - name: Log into GitHub Container Registry
         run: echo "${{ secrets.REGISTRY_ACCESS_TOKEN }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Lowercase github username for ghcr
+        id: string
+        uses: ASzc/change-string-case-action@v1
+        with:
+          string: ${{ github.actor }}
       - name: Build and push
         uses: docker/build-push-action@v2
         with:
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ghcr.io/${{ github.actor }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
-          cache-from: type=registry,ref=ghcr.io/${{ github.actor }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
+          tags: ghcr.io/${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
+          cache-from: type=registry,ref=ghcr.io/${{ github.actor }}${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
           cache-to: type=inline
           build-args: |
             IMAGE_NAME=${{ env.IMAGE_NAME }}