diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6513261adea3f3828a94bbaff03476846c090a49..8c41106beb832b3d39d537a0710f924594cc3941 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: ubuntu:latest
+image: alpine:latest
 build:
   before_script:
     - wget https://typographix.binets.fr/files/polytechnique-LaTeX.zip