diff --git a/Gemfile b/Gemfile
index 2d7ec8d..3973308 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem 'discard', '~> 1.1'
 gem 'jb', '~> 0.7.0'
 gem 'kaminari', '~> 1.1', '>= 1.1.1'
 gem 'pg', '~> 1.1', '>= 1.1.4'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'rails', '~> 6.0.0'
 gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 
diff --git a/Gemfile.lock b/Gemfile.lock
index c0268a9..0705cfe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (1.1.4)
-    puma (3.12.1)
+    puma (3.12.3)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -204,7 +204,7 @@ DEPENDENCIES
   kaminari (~> 1.1, >= 1.1.1)
   listen (>= 3.0.5, < 3.2)
   pg (~> 1.1, >= 1.1.4)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 6.0.0)
   rb-readline (~> 0.5.5)
   spring (~> 2.1)