diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 065533f..9a48308 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,8 @@ stages:
     - test
     - deploy
 
+image: debian:11.3
+
 pylint:
     stage: test
     before_script: