diff --git a/sun_awesomeblog/Gemfile b/sun_awesomeblog/Gemfile
index 2ee9fd2..d223450 100644
--- a/sun_awesomeblog/Gemfile
+++ b/sun_awesomeblog/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.3', '>= 6.0.3.4'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.4.4'
 # 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/sun_awesomeblog/Gemfile.lock b/sun_awesomeblog/Gemfile.lock
index 86e3927..fd99f51 100644
--- a/sun_awesomeblog/Gemfile.lock
+++ b/sun_awesomeblog/Gemfile.lock
@@ -100,12 +100,12 @@ GEM
     minitest (5.14.3)
     msgpack (1.3.3)
     mysql2 (0.5.3)
-    nio4r (2.5.4)
+    nio4r (2.5.8)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     public_suffix (4.0.6)
-    puma (4.3.7)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -208,7 +208,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.2)
   mysql2 (>= 0.4.4)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.3, >= 6.0.3.4)
   sass-rails (>= 6)
   selenium-webdriver