diff --git a/Gemfile b/Gemfile
index 5403af4..c822e00 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '2.6.3'
 
 gem 'rails', '~> 6.0.0.rc2'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'jbuilder', '~> 2.7'
 gem 'bcrypt', '~> 3.1.7'
 gem 'bootsnap', '>= 1.4.2', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 89137bf..f12161d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -195,7 +195,7 @@ DEPENDENCIES
   kaminari
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 6.0.0.rc2)
   spring
   spring-watcher-listen (~> 2.0.0)