diff --git a/Gemfile b/Gemfile
index 9a740af..4fe7085 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '6.1.4.1'
 # Use Puma as the app server
-gem 'puma', '~> 5.5'
+gem 'puma', '~> 5.6'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index d6f8042..5b2502b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     orm_adapter (0.5.0)
     popper_js (2.9.3)
     public_suffix (4.0.6)
-    puma (5.5.2)
+    puma (5.6.1)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -282,7 +282,7 @@ DEPENDENCIES
   omniauth
   omniauth-github
   omniauth-rails_csrf_protection
-  puma (~> 5.5)
+  puma (~> 5.6)
   rails (= 6.1.4.1)
   rails-controller-testing
   rails-i18n (~> 6.0.0)