diff --git a/Gemfile b/Gemfile
index a28d7c7a4..e971baf8f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ ruby "~> 3.2.2"
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem "rails", "~> 7.0.8"
 # Use Puma as the app server
-gem "puma", "~> 6.3"
+gem "puma", "~> 6.4"
 # Use SCSS for stylesheets
 gem "sass-rails", ">= 6"
 # Bundle and transpile JavaScript [https://github.com/rails/jsbundling-rails]
diff --git a/Gemfile.lock b/Gemfile.lock
index 709ba04e9..afba3789d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -281,7 +281,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)
@@ -505,7 +505,7 @@ DEPENDENCIES
   mittsu!
   pg (~> 1.5)
   public_suffix (~> 5.0)
-  puma (~> 6.3)
+  puma (~> 6.4)
   rails (~> 7.0.8)
   rails-settings-cached (~> 2.9)
   redis (~> 5.0)