diff --git a/Gemfile b/Gemfile
index 92b550ab..0bc53016 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'dotenv'
 gem 'jquery-rails'
 gem 'bootsnap', require: false
 
-gem 'puma', '~> 6.5'
+gem 'puma', '~> 6.6'
 
 gem 'simple_form', '~> 5.3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 258f30ad..e04541a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
       date
       stringio
     public_suffix (6.0.1)
-    puma (6.5.0)
+    puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (2.2.10)
@@ -372,7 +372,7 @@ DEPENDENCIES
   letter_opener
   pg (~> 1.5)
   premailer-rails
-  puma (~> 6.5)
+  puma (~> 6.6)
   rails (~> 7.0.8)
   rails-controller-testing
   rspec-github