diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c8a9bec0945d3caae854949ff3a96f9eaca286a4..75550dd776486303a16be9c18e82585c2ca0e061 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 pages:
   stage: deploy
-  image: python:latest
+  image: python:3.9.18-slim-bullseye
   variables:
     PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
     PAGES_BRANCH: develop