diff --git a/Gemfile b/Gemfile
index 7191c21..8b900dd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ gem 'rails', '~> 6.1.7.3'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
-gem 'puma', '~> 4.3.12'
+gem 'puma', '~> 5.6.7'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0', '>= 6.0.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index b6c0fde..9037473 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
       racc (~> 1.4)
     popper_js (1.16.1)
     public_suffix (5.0.1)
-    puma (4.3.12)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.7)
@@ -303,7 +303,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   mail
   nokogiri (>= 1.13.10)
-  puma (~> 4.3.12)
+  puma (~> 5.6.7)
   rails (~> 6.1.7.3)
   sass-rails (~> 6.0, >= 6.0.0)
   selenium-webdriver