diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dd1851aa22c2925167992878fd53fb84a1d4b718..52e842e85523c97efea300b7c4382acaebe2383a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ cache:
 
 setup-environment:
   stage: environment
-  image: python3.9-slim-buster
+  image: python3.9-slim
   script:
     - python3 -m venv .venv
     - source .venv/bin/activate