diff --git a/.gitea/workflows/backend.yaml b/.gitea/workflows/backend.yaml
index 49537e8..3bbb6fc 100644
--- a/.gitea/workflows/backend.yaml
+++ b/.gitea/workflows/backend.yaml
@@ -66,7 +66,7 @@ jobs:
 
   image:
     name: Testowy build obrazu
-    runs-on: ubuntu-latest
+    runs-on: builder
     needs: [lint, test]
     steps:
       - uses: actions/checkout@v4