diff --git a/Gemfile b/Gemfile
index 85d6e9c..48532c1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '2.5.1'
 
 gem 'rails', '~> 5.2.3'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'sass-rails', '~> 5.0'
 gem 'uglifier', '>= 1.3.0'
 gem 'coffee-rails', '~> 4.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7be9dc7..a49bf42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -197,7 +197,7 @@ GEM
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (3.0.3)
-    puma (3.12.1)
+    puma (3.12.2)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)
@@ -324,7 +324,7 @@ DEPENDENCIES
   mini_magick
   parallel
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rack-cors
   rails (~> 5.2.3)
   rails-assets-OwlCarousel2!