diff --git a/.gitea/workflows/backend.yml b/.gitea/workflows/backend.yml
index 490e723..d1ee76a 100644
--- a/.gitea/workflows/backend.yml
+++ b/.gitea/workflows/backend.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: [cicd]   # your central build runner
+    runs-on: ["cicd:docker://docker.gitea.com/runner-images:ubuntu-latest"]   # your central build runner
     steps:
       - name: Checkout code
         uses: actions/checkout@v3