diff --git a/hawk/config/boot.rb b/hawk/config/boot.rb
index 273184645..c03800b96 100644
--- a/hawk/config/boot.rb
+++ b/hawk/config/boot.rb
@@ -27,7 +27,7 @@
   require "sprockets/railtie"
   require "rails/test_unit/railtie"
 
-  gem "puma", version: "~> 2.11"
+  gem "puma", version: "~> 2.16"
   require "puma"
 
   gem "sass-rails", version: "~> 5.0"