diff --git a/rails-app/Gemfile b/rails-app/Gemfile
index f714e4e..3c69e33 100644
--- a/rails-app/Gemfile
+++ b/rails-app/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.4', '>= 6.1.4.1'
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.1'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
diff --git a/rails-app/Gemfile.lock b/rails-app/Gemfile.lock
index 7a2d91e..4e2ca72 100644
--- a/rails-app/Gemfile.lock
+++ b/rails-app/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     nokogiri (1.12.5-x86_64-linux)
       racc (~> 1.4)
     pg (1.2.3)
-    puma (5.5.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -151,7 +151,7 @@ DEPENDENCIES
   byebug
   listen (~> 3.3)
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rack-cors
   rails (~> 6.1.4, >= 6.1.4.1)
   spring