diff --git a/.gitea/workflows/docker-build.yaml b/.gitea/workflows/docker-build.yaml
index d328a20..b38d6d7 100644
--- a/.gitea/workflows/docker-build.yaml
+++ b/.gitea/workflows/docker-build.yaml
@@ -15,6 +15,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
+      - name: Clone HKUDS/nanobot source
+        run: git clone --depth 1 https://github.com/HKUDS/nanobot.git external-nanobot
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
 
@@ -39,8 +42,8 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v7
         with:
-          context: nanobot
-          file: nanobot/Dockerfile
+          context: external-nanobot
+          file: external-nanobot/Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}