diff --git a/Gemfile b/Gemfile
index 471ca4c..91a9d65 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 5.2.3'
 # Use postgress as the database for Active Record
 gem 'pg'
 # 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', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
diff --git a/Gemfile.lock b/Gemfile.lock
index 1abcb2a..87d3d31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -161,7 +161,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-protection (2.0.5)
       rack
@@ -292,7 +292,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   pg
   pry (~> 0.12.2)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 5.2.3)
   redis (~> 4.1.2)
   rspec-rails (~> 3.8.2)