diff --git a/Gemfile b/Gemfile
index cd64e3d..be0ba0a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 ruby '2.5.1'
 gem 'rails', '~> 6.0.1'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 gem 'jbuilder', '~> 2.7'
 gem 'bootsnap', '>= 1.4.2', require: false
 gem 'coveralls', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 4e8b3f5..56eb78b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.3.0)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-cors (1.0.5)
@@ -259,7 +259,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   pry-byebug
   pry-rails
-  puma (~> 4.1)
+  puma (~> 4.3)
   rack-cors
   rails (~> 6.0.1)
   rspec-rails