diff --git a/Gemfile b/Gemfile
index 16a91b9..1579d38 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.3.1'
 # 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'
 # 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 7a94176..f59872d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,7 +129,7 @@ GEM
     mini_portile2 (2.5.0)
     minitest (5.14.4)
     msgpack (1.4.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -139,7 +139,7 @@ GEM
       ast (~> 2.4.1)
     pg (1.2.3)
     public_suffix (4.0.6)
-    puma (5.2.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -297,7 +297,7 @@ DEPENDENCIES
   launchy
   listen (~> 3.3)
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.3.1)
   rspec-rails (~> 4.0.2)