diff --git a/Gemfile b/Gemfile
index 3a32106..213d158 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 6.1.3'
 # gem 'sqlite3', '~> 1.4'
 gem 'pg'
 # Use Puma as the app server
-gem 'puma', '~> 5.2'
+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 e45db71..676064a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -138,7 +138,7 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.3)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -177,7 +177,7 @@ GEM
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
     public_suffix (4.0.6)
-    puma (5.2.2)
+    puma (5.6.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -330,7 +330,7 @@ DEPENDENCIES
   pry-doc
   pry-rails
   pry-stack_explorer
-  puma (~> 5.2)
+  puma (~> 5.6)
   rails (~> 6.1.3)
   rspec-rails
   rubocop