diff --git a/Appraisals b/Appraisals
index 75356262c..08e9bb6ab 100644
--- a/Appraisals
+++ b/Appraisals
@@ -75,7 +75,7 @@ appraise 'rails_6_1' do
   instance_eval(&controller_test_dependency)
 
   gem 'rails', '6.1.3.2'
-  gem 'puma', '~> 4.1'
+  gem 'puma', '~> 5.0'
   gem 'bootsnap', '>= 1.4.2', require: false
   gem 'sass-rails', '>= 6'
   gem 'turbolinks', '~> 5'
diff --git a/gemfiles/rails_6_1.gemfile b/gemfiles/rails_6_1.gemfile
index 61382ef71..939377922 100644
--- a/gemfiles/rails_6_1.gemfile
+++ b/gemfiles/rails_6_1.gemfile
@@ -23,7 +23,7 @@ gem "rspec-rails", "~> 4.0"
 gem "shoulda-context", "~> 1.2.0"
 gem "rails-controller-testing", ">= 1.0.1"
 gem "rails", "6.1.3.2"
-gem "puma", "~> 4.1"
+gem "puma", "~> 5.0"
 gem "bootsnap", ">= 1.4.2", require: false
 gem "sass-rails", ">= 6"
 gem "turbolinks", "~> 5"
diff --git a/gemfiles/rails_6_1.gemfile.lock b/gemfiles/rails_6_1.gemfile.lock
index c9cd2aa9f..451764aa5 100644
--- a/gemfiles/rails_6_1.gemfile.lock
+++ b/gemfiles/rails_6_1.gemfile.lock
@@ -123,7 +123,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.10)
     public_suffix (4.0.6)
-    puma (4.3.7)
+    puma (5.2.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -275,7 +275,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   pry
   pry-byebug
-  puma (~> 4.1)
+  puma (~> 5.0)
   rails (= 6.1.3.2)
   rails-controller-testing (>= 1.0.1)
   rake (= 13.0.1)