diff --git a/Gemfile b/Gemfile
index 1b8beb13..62a7ea36 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem "sprockets-rails"
 gem "sqlite3", "~> 1.6"
 
 # 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 a68aabd6..a0948e09 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
     nokogiri (1.15.3-x86_64-linux)
       racc (~> 1.4)
     public_suffix (5.0.1)
-    puma (5.6.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.6.4)
@@ -240,7 +240,7 @@ DEPENDENCIES
   debug
   importmap-rails
   jbuilder
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.4, >= 7.0.4.3)
   rspec
   rspec-rails