diff --git a/Gemfile b/Gemfile
index a374377..d848450 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ ruby '2.6.2'
 
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'pry', '~> 0.12.2'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'rack', '~> 2.0.7'
 gem 'rack-attack', '~> 6.0.0'
 gem 'rack-cors', '~> 1.0.3', require: 'rack/cors'
diff --git a/Gemfile.lock b/Gemfile.lock
index 76e4fbc..d1e28af 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -252,7 +252,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    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)
@@ -281,7 +283,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
-    puma (3.12.1)
+    puma (3.12.6)
     raabro (1.1.6)
     rack (2.0.7)
     rack-attack (6.0.0)
@@ -497,7 +499,7 @@ DEPENDENCIES
   newrelic_rpm (~> 6.5)
   postmark-rails (~> 0.19.0)
   pry (~> 0.12.2)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rack (~> 2.0.7)
   rack-attack (~> 6.0.0)
   rack-cors (~> 1.0.3)