diff --git a/Gemfile b/Gemfile
index dbd170c7..3caffcf0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem 'rails', '~> 6.1.0'
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.2.3'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/Gemfile.lock b/Gemfile.lock
index 6d4e1e1f..94ec0074 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -249,7 +249,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.5.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -440,7 +440,7 @@ DEPENDENCIES
   omniauth-github (~> 2.0)
   omniauth-rails_csrf_protection (~> 1.0)
   pg (~> 1.2.3)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 6.1.0)
   redcarpet (~> 3.5.1)
   rollbar (~> 3.1)