diff --git a/Gemfile b/Gemfile
index c54460c..73f6670 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ ruby '2.7.0'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.2.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 6.1'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index e5125b0..b1f96aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,8 @@ GEM
     pry-nav (1.0.0)
       pry (>= 0.9.10, < 0.15)
     public_suffix (4.0.6)
-    puma (3.12.6)
+    puma (6.1.1)
+      nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
@@ -315,7 +316,7 @@ DEPENDENCIES
   pg
   pry
   pry-nav
-  puma (~> 3.11)
+  puma (~> 6.1)
   rails (~> 5.2.0)
   rails-controller-testing
   rails-i18n (~> 5.1)