diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 24e25c3..9c254f8 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -40,11 +40,7 @@ jobs:
           platforms: linux/amd64,linux/arm64
 
       - name: Get upstream repository
-        uses: actions/checkout@v4
-        with:
-          repository: ONLYOFFICE/DocumentServer
-          ref: master
-          path: upstream
+        run: git clone https://github.com/ONLYOFFICE/DocumentServer upstream
 
       - name: Extract tags and labels for Docker
         id: meta