diff --git a/Gemfile b/Gemfile
index 67d3342..b080d52 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # 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 5529637..bff5980 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       racc (~> 1.4)
     pg (1.2.3)
     public_suffix (4.0.6)
-    puma (4.3.10)
+    puma (4.3.11)
       nio4r (~> 2.0)
     rabl-rails (0.6.2)
       activesupport (>= 4.2)
@@ -235,7 +235,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rabl-rails
   rack-cors
   rails (~> 6.0.2, >= 6.0.2.1)