diff --git a/Gemfile b/Gemfile
index 4a6c537..8ff916b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ ruby '2.6.1'
 
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'rails', '~> 5.2.3'
 
 # Elasticsearch
diff --git a/Gemfile.lock b/Gemfile.lock
index c8bb877..d876feb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ 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)
@@ -186,7 +186,7 @@ DEPENDENCIES
   factory_bot_rails
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 5.2.3)
   rspec-rails
   spring