diff --git a/Gemfile b/Gemfile
index 95b822b..8321345 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 5.5'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/Gemfile.lock b/Gemfile.lock
index 02e12d3..12d9864 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     public_suffix (4.0.6)
-    puma (5.5.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -227,7 +227,7 @@ DEPENDENCIES
   httparty
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
-  puma (~> 5.5)
+  puma (~> 5.6)
   rails (~> 6.1)
   sass-rails (>= 6)
   selenium-webdriver