diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 18dac071326dd970c17935edef9f1f103b5d0ca7..4f4c5bcd60447741bced6434f1ae2c2e7beac579 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,7 +37,7 @@ lint dockerfile:
 
 release:
   stage: release
-  image: docker.io/python:3.8-alpine
+  image: docker.io/python:3.8-slim-bullseye
   before_script:
     - pip install --user --requirement requirements.ci.txt
   script: