diff --git a/Gemfile b/Gemfile
index b9c0b84..19beb0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "sprockets-rails"
 gem "sqlite3", "~> 1.4"
 
 # 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 23d9cb5..552e35b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
     nokogiri (1.15.3-x86_64-linux)
       racc (~> 1.4)
     public_suffix (5.0.3)
-    puma (5.6.6)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
@@ -212,7 +212,7 @@ DEPENDENCIES
   debug
   importmap-rails
   jbuilder
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.1)
   selenium-webdriver
   sprockets-rails