diff --git a/Gemfile b/Gemfile
index aed376a..7a01e2d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'rails', '~> 6.0.0'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/Gemfile.lock b/Gemfile.lock
index 03411fe..b29f531 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     polyamorous (2.3.0)
       activerecord (>= 5.0)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.2)
     rack (2.0.7)
     rack-proxy (0.6.5)
       rack
@@ -227,7 +227,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 6.0.0)
   ransack
   sass-rails (~> 5)