diff --git a/Gemfile b/Gemfile
index 0700dad..3b1c1f0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails-i18n', '~> 6.0.0'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.4.4', '< 0.6.0'
 # Use Puma as the app server
-gem 'puma', '~> 4.0'
+gem 'puma', '~> 5.0'
 
 gem 'devise', '~> 4.7'
 gem 'devise-i18n', '~> 1.8'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5653a6f..057862d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -229,7 +229,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.6)
-    puma (4.3.11)
+    puma (5.6.2)
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
@@ -408,7 +408,7 @@ DEPENDENCIES
   open4
   pry-byebug
   pry-rails
-  puma (~> 4.0)
+  puma (~> 5.0)
   pundit (~> 1.1)
   rack-contrib
   rails (~> 6.0.3)