diff --git a/Gemfile b/Gemfile
index e93f17f..0109c39 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'rails', '~> 6.0.3'
 # Use pg as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 6.0'
 # 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 72932cc..8770d1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -136,12 +136,12 @@ GEM
     minitest (5.14.1)
     msgpack (1.3.3)
     multipart-post (2.1.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (6.0.1)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-proxy (0.6.5)
@@ -282,7 +282,7 @@ DEPENDENCIES
   listen (~> 3.2)
   lograge
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 6.0)
   rails (~> 6.0.3)
   redis (~> 4.0)
   rspec-rails (~> 4.0.0)