diff --git a/Gemfile b/Gemfile
index 34b399d..2e31a9c 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 1f606cf..57ef52f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,13 +128,13 @@ GEM
       digest
       net-protocol
       timeout
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.13.6-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     public_suffix (4.0.7)
-    puma (5.6.4)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.6.1)
     rack (2.2.3.1)
@@ -228,7 +228,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   nokogiri (>= 1.13.4)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.2, >= 7.0.2.4)
   selenium-webdriver
   simple-random