diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 500ff56423ad55155d0d1a4d985b03769f5d6cbb..52a52435efedd835318103568fb39f3ea491158f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: ubuntu:latest
+image: ubuntu:jammy # Change to latest later.
 
 stages:
   - test
@@ -30,7 +30,7 @@ stages:
 
 test_39:
   extends: .test_students
-  image: ubuntu:latest
+  image: image: ubuntu:jammy # Change to latest later.
 
 pages:
   stage: deploy