diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7705141cbc663ca90bbef7f94c18ecd4d40613af..cfeb78a9006f1df1e1220fb00f578b8413d02ad1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,13 +29,13 @@ cache:
       - target
     expire_in: 1 week
 
-unittest:jdk8:
+unittest:jdk11:
   <<: *unittest
-  image: maven:3.6.3-jdk-8
+  image: maven:3.6.3-jdk-11
 
 release:
   stage: deploy
-  image: maven:3.6.3-jdk-8
+  image: maven:3.6.3-jdk-11
   tags:
     - olat
   before_script: