diff --git a/.circleci/config.yml b/.circleci/config.yml
index 48c83b1..df91634 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 executors:
   default:
     docker:
-      - image: circleci/ruby:2.5
+      - image: circleci/ruby:2.7
 
 commands:
   default_setup_remote_docker: