diff --git a/configuration.org b/configuration.org
index 33fe6c9..c7e539a 100644
--- a/configuration.org
+++ b/configuration.org
@@ -3322,6 +3322,17 @@ directory.  It is available from [[http://plantuml.com/download][here]].
   :mode "\\.graphql\\'")
 #+END_SRC
 
+** Gitlab-CI
+
+#+BEGIN_SRC emacs-lisp
+(use-package gitlab-ci-mode
+  :mode "\\.gitlab-ci.yml\\'")
+(use-package gitlab-ci-mode-flycheck
+  :after flycheck gitlab-ci-mode
+  :init
+  (gitlab-ci-mode-flycheck-enable))
+#+END_SRC
+
 * Games
 
 ** Gnu Go
diff --git a/customizations.el b/customizations.el
index d7679c8..f71b6cc 100644
--- a/customizations.el
+++ b/customizations.el
@@ -97,6 +97,8 @@
      github-notifier
      gitignore-mode
      gitlab
+     gitlab-ci-mode
+     gitlab-ci-mode-flycheck
      gnugo
      go-mode
      gobgen