diff --git a/Gemfile b/Gemfile
index 08f9bcb..ac93d8c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.3', '>= 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 d96257e..a307344 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,13 +88,13 @@ GEM
     mini_mime (1.0.3)
     minitest (5.14.4)
     msgpack (1.4.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.3-x86_64-darwin)
       racc (~> 1.4)
     nokogiri (1.11.3-x86_64-linux)
       racc (~> 1.4)
     pg (1.2.3)
-    puma (5.2.2)
+    puma (5.6.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -185,7 +185,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.3)
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.3, >= 6.1.3.1)
   sass-rails (>= 6)