diff --git a/Gemfile b/Gemfile
index 678b45a..1340d5a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ ruby '2.5.1'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.0.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
diff --git a/Gemfile.lock b/Gemfile.lock
index b57bf72..b4049e8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,7 +127,7 @@ GEM
     parser (2.6.5.0)
       ast (~> 2.4.0)
     pg (1.1.4)
-    puma (3.12.1)
+    puma (3.12.2)
     rack (2.0.7)
     rack-cors (1.0.5)
       rack (>= 1.6.0)
@@ -234,7 +234,7 @@ DEPENDENCIES
   factory_bot_rails
   listen (>= 3.0.5, < 3.2)
   pg (~> 1.1)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rack-cors
   rails (~> 6.0.0)
   rspec-rails (~> 3.5)