diff --git a/FireResponse/Gemfile b/FireResponse/Gemfile
index cb88910..ef8fe70 100644
--- a/FireResponse/Gemfile
+++ b/FireResponse/Gemfile
@@ -11,7 +11,7 @@ gem 'rails', '~> 5.1.3'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
-gem 'puma', '~> 3.7'
+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/FireResponse/Gemfile.lock b/FireResponse/Gemfile.lock
index 5ee8872..5c19b5a 100644
--- a/FireResponse/Gemfile.lock
+++ b/FireResponse/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
     nio4r (2.1.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
-    puma (3.10.0)
+    puma (3.12.4)
     rack (2.0.3)
     rack-cors (1.0.1)
     rack-test (0.7.0)
@@ -174,7 +174,7 @@ DEPENDENCIES
   easy_translate
   envkey
   listen (>= 3.0.5, < 3.2)
-  puma (~> 3.7)
+  puma (~> 3.12)
   rack-cors
   rails (~> 5.1.3)
   shoryuken