diff --git a/Gemfile b/Gemfile
index 85e3821..475b99d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem "rails", "~> 8"
 # Use postgresql as the database for Active Record
 gem "pg", ">= 0.18", "< 2.0"
 # Use Puma as the app server
-gem "puma", "~> 4.3"
+gem "puma", "~> 5.6"
 # Use SCSS for stylesheets
 gem "sassc-rails"
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 077aa11..b5ecd47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
       date
       stringio
     public_suffix (6.0.2)
-    puma (4.3.12)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (2.2.14)
@@ -276,7 +276,7 @@ DEPENDENCIES
   factory_bot_rails
   octicons_helper
   pg (>= 0.18, < 2.0)
-  puma (~> 4.3)
+  puma (~> 5.6)
   rails (~> 8)
   sassc-rails
   tzinfo-data