diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1a0a649..c2bf4d2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -54,6 +54,7 @@ before_script:
 
 # Used by Gitaly: https://gitlab.com/gitlab-org/gitaly/blob/master/.gitlab-ci.yml
 ruby-2.4-golang-1.11-git-2.18 test: *test_custom
+ruby-2.5-golang-1.10-git-2.18 test: *test_custom
 ruby-2.5-golang-1.11-git-2.18 test: *test_custom
 
 # Used by GitLab CE/EE: https://gitlab.com/gitlab-org/gitlab-ee/blob/master/.gitlab-ci.yml