diff --git a/Gemfile b/Gemfile
index 874371a..3b68bad 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ gem 'activerecord-session_store'
 gem 'bootsnap', '~> 1.3'
 gem 'faker', '~> 1.8'
 gem 'figaro'
-gem 'puma', '~> 3.0'
+gem 'puma', '~> 3.12'
 gem 'sidekiq'
 gem 'uglifier', '~> 4.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index ff19ef9..815461b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -538,7 +538,9 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -613,7 +615,7 @@ GEM
       actionmailer (>= 3)
       premailer (~> 1.7, >= 1.7.9)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.6)
     rack (2.0.7)
     rack-attack (5.4.2)
       rack (>= 1.0, < 3)
@@ -855,7 +857,7 @@ DEPENDENCIES
   lograge
   newrelic_rpm
   passenger
-  puma (~> 3.0)
+  puma (~> 3.12)
   sendgrid-ruby
   sentry-raven
   sidekiq