diff --git a/.gitea/workflows/docker-ext.yml b/.gitea/workflows/docker-ext.yml
index 0f34108..0d605b5 100644
--- a/.gitea/workflows/docker-ext.yml
+++ b/.gitea/workflows/docker-ext.yml
@@ -31,6 +31,12 @@ jobs:
           username: ${{ secrets.USER }}
           password: ${{ secrets.TOKEN }}
 
+      - name: Setup SSH agent for git clone
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: |
+            ${{ secrets.SSH_PRIVATE_KEY }}
+
       - name: Extract docker tag from commit message (optional)
         id: tag
         run: |
@@ -51,5 +57,4 @@ jobs:
           platforms: linux/amd64
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag || env.DOCKER_TAG }}
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ env.IMAGE_NAME }}:buildcache
-          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
+          ssh: default