diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbcbbb20ec92582dc3412c94f6d874683279511b..e006df9231e286e9f787e85c6871ebaf5a0d2ffe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: ruby:2.3
+image: ruby:2.7
 
 cache:
   paths: