diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 5d24b5a..4c4f931 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -7,7 +7,7 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: ${{ toLowerCase(github.repository) }}
 
 jobs:
   docker:
@@ -20,6 +20,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Convert repository name to lowercase
+        id: repo-name
+        run: |
+          echo "REPO_LOWERCASE=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
@@ -37,7 +42,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: ${{ env.REGISTRY }}/${{ env.REPO_LOWERCASE }}
           tags: |
             type=semver,pattern={{version}}
             type=raw,value=latest,enable={{is_default_branch}}
@@ -50,5 +55,5 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache
-          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
\ No newline at end of file
+          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.REPO_LOWERCASE }}:buildcache
+          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.REPO_LOWERCASE }}:buildcache,mode=max
\ No newline at end of file