diff --git a/Gemfile b/Gemfile
index 0ff5816..7b40f90 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'rails', '~> 5.2.0'
 gem 'mysql2'
 
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index dfb2968..ccd7887 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -338,7 +338,7 @@ GEM
       pry (~> 0.9)
       slop (~> 3.0)
     public_suffix (4.0.4)
-    puma (3.12.4)
+    puma (3.12.6)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
     rack (2.0.9)
@@ -664,7 +664,7 @@ DEPENDENCIES
   pry-byebug
   pry-rails
   pry-remote
-  puma (~> 3.11)
+  puma (~> 3.12)
   pundit
   rack-attack
   rack-contrib