diff --git a/Gemfile b/Gemfile
index 7c3eabb..b6b240b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Use SCSS for stylesheets
 gem 'bootstrap-sass', '~> 3.4.1'
 gem 'sass-rails', '~> 5'
diff --git a/Gemfile.lock b/Gemfile.lock
index a0bd635..25f7ca0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -132,7 +132,7 @@ GEM
     parser (2.6.5.0)
       ast (~> 2.4.0)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.6)
     rack (2.0.7)
     rack-proxy (0.6.5)
       rack
@@ -256,7 +256,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   jquery-rails
   listen (>= 3.0.5, < 3.2)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 6.0.0)
   rubocop (~> 0.76.0)
   sass-rails (~> 5)