diff --git a/Gemfile b/Gemfile
index aa7516aea..d5bf7bf1f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'httpclient', '~> 2.4.0'
 gem 'nokogiri', '~> 1.12.3'
 gem 'git', '~> 1.9.1'
 gem 'parallel', '~> 1.20.1'
-gem 'puma', '~> 5.4.0'
+gem 'puma', '~> 5.5.1'
 gem 'sinatra', '~> 2.1.0'
 gem 'sinatra-contrib', '~> 2.1.0'
 gem 'i18n', '~> 0.7.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8f3c5bdb2..28f3bff5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.20.1)
     public_suffix (4.0.6)
-    puma (5.4.0)
+    puma (5.5.1)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -75,7 +75,7 @@ DEPENDENCIES
   nokogiri (~> 1.12.3)
   octokit (~> 4.21.0)
   parallel (~> 1.20.1)
-  puma (~> 5.4.0)
+  puma (~> 5.5.1)
   sinatra (~> 2.1.0)
   sinatra-contrib (~> 2.1.0)