diff --git a/Gemfile b/Gemfile
index 8f3e883..748a420 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '2.6.5' if ENV.key?('DYNO')
+ruby '2.7.2' if ENV.key?('DYNO')
 
 gem 'aws-sdk', '~> 2'
 gem 'pry', group: %i[development test]