diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cdfc6596..ca265700 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -113,7 +113,7 @@ test-3.12-core:
 
 test-3.8-all:
   <<: *only-default
-  image: python:3.8-trixie
+  image: python:3.8-bookworm
   script:
     - tox -e py38-all
   artifacts: