diff --git a/.gitlab/mirror.yml b/.gitlab/mirror.yml
index 294f1e1..9846030 100644
--- a/.gitlab/mirror.yml
+++ b/.gitlab/mirror.yml
@@ -1,6 +1,9 @@
 stages:
   - pull
 
+default:
+  image: debian
+
 pull-gitlab:
   stage: pull
   script: