diff --git a/Gemfile b/Gemfile
index 1b29f5a..73024a2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ ruby '2.6.5'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.0.1'
 # 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 36ae8c7..088dcd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
     multi_json (1.14.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     oauth2 (1.4.4)
@@ -166,7 +166,7 @@ GEM
     orm_adapter (0.5.0)
     pg (1.2.3)
     public_suffix (4.0.4)
-    puma (4.3.3)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-proxy (0.6.5)
@@ -313,7 +313,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   omniauth-facebook (~> 5.0)
   pg
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.1)
   rails-controller-testing
   rails_12factor