diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9a5380376fdfc3a8512fa2b3011d1b302e8be2d2..7b4db593dba8eb10804f8bb383a4cb48c7bc8b4e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ build:index:
     - python .ci/generateIndex.py
 
 build:website:
-  image: git-r3lab.uni.lu:4567/r3/docker/jekyll-lcsb:1.4
+  image: git-r3lab.uni.lu:4567/r3/docker/jekyll-lcsb:1.6
   stage: build
   before_script:
     - cd courses.lcsb.uni.lu