diff --git a/jekyll/TLLA/gitlab-ci-edition.yml b/TLLA/gitlab-ci-2021.yml
similarity index 98%
rename from jekyll/TLLA/gitlab-ci-edition.yml
rename to TLLA/gitlab-ci-2021.yml
index 913475a89358e14c4f62a7dc59501a2767ac81f5..4f123b604ada4d8e55c82fb7e3804bd4cdc7c6c8 100644
--- a/jekyll/TLLA/gitlab-ci-edition.yml
+++ b/TLLA/gitlab-ci-2021.yml
@@ -11,7 +11,7 @@ cache:
     - web/vendor/bundle/
 
 .build:
-  image: ruby:3.2
+  image: ruby:3.1
   stage: build
   before_script:
     - apt-get update -qy