diff --git a/Gemfile b/Gemfile
index a6ce632..ee59b6e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'sprockets-rails'
 gem 'pg', '~> 1.1'
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem 'importmap-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index f32737f..7d757d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.8)
+    nio4r (2.7.0)
     nokogiri (1.14.2-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.14.2-x86_64-darwin)
@@ -170,7 +170,7 @@ GEM
       ast (~> 2.4.1)
     pg (1.3.5)
     public_suffix (4.0.7)
-    puma (5.6.4)
+    puma (5.6.8)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)
@@ -300,7 +300,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.4)
   rspec
   rspec-rails