diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7daeceec065ed35e37421377fa5957b071f7ee8b..c8428ce17396d67bb3241a81648b260e62b9cb08 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,8 @@
 # https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
 
 # Full project: https://gitlab.com/pages/plain-html
+image: python:3.9-alphine
+
 pages:
   stage: deploy
   environment: production