diff --git a/Gemfile b/Gemfile
index 917e133..850adba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ group :development, :test do
    gem 'pg'
  end
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 82902e0..32e7bcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.2.2)
     public_suffix (4.0.3)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -199,7 +199,7 @@ DEPENDENCIES
   jbuilder (~> 2.5)
   listen (>= 3.0.5, < 3.2)
   pg
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 5.2.4, >= 5.2.4.1)
   sass-rails (~> 5.0)
   selenium-webdriver