diff --git a/Gemfile b/Gemfile
index 7a8da9c..228de18 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'rubocop', '>= 1.0', '< 2.0'
 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 bf6c790..4f6cfa7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.2-x64-mingw-ucrt)
       racc (~> 1.4)
     nokogiri (1.14.2-x86_64-linux)
@@ -147,7 +147,7 @@ GEM
     pg (1.4.6)
     pg (1.4.6-x64-mingw-ucrt)
     public_suffix (5.0.1)
-    puma (5.6.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)
@@ -275,7 +275,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.4, >= 7.0.4.3)
   rspec-rails
   rubocop (>= 1.0, < 2.0)