diff --git a/.gitlab/ci/gitlab.images.yml b/.gitlab/ci/gitlab.images.yml
index 85c3ad7..a1a2a05 100644
--- a/.gitlab/ci/gitlab.images.yml
+++ b/.gitlab/ci/gitlab.images.yml
@@ -10,7 +10,7 @@ gitlab:
     GRAPHICSMAGICK: '1.3.36'
   parallel:
     matrix:
-      - OS: ['debian:bullseye']
+      - OS: ['debian:bullseye', 'ubi:8.6']
         RUBY: ['2.7.patched', '3.0.patched']
         GIT: ['2.36']
         POSTGRESQL: ['11', '12', '13']