Gemfile in flagsmith-4.0.0

- old
+ new

@@ -2,10 +2,10 @@
 
 gem 'hanami', '~> 1.3'
 gem 'hanami-model', '~> 1.3'
 gem 'slim'
 gem 'sqlite3'
-gem "puma", "~> 5.6"
+gem "puma", "~> 6.3"
 
 gemspec path: '../'
 
 group :development do
   # Code reloading