diff --git a/spec/integration/rails_6.0.2.1/Gemfile b/spec/integration/rails_6.0.2.1/Gemfile
index faf2f58a..bf5e6ca6 100644
--- a/spec/integration/rails_6.0.2.1/Gemfile
+++ b/spec/integration/rails_6.0.2.1/Gemfile
@@ -6,7 +6,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 4.3'
+gem 'puma', '~> 5.6', '>= 5.6.8'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production