diff --git a/Gemfile b/Gemfile
index 1c1dbdd..e164636 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 6.0.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 # 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 79b5131..7861383 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     public_suffix (4.0.3)
-    puma (4.3.1)
+    puma (4.3.2)
       nio4r (~> 2.0)
     rack (2.1.2)
     rack-proxy (0.6.5)
@@ -250,7 +250,7 @@ DEPENDENCIES
   factory_bot_rails
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.1)
   rspec-rails (~> 3.9)
   sass-rails (>= 6)