diff --git a/frameworks/Ruby/sinatra-sequel/Gemfile b/frameworks/Ruby/sinatra-sequel/Gemfile
index f4ac3eb1fe2..4aace641277 100644
--- a/frameworks/Ruby/sinatra-sequel/Gemfile
+++ b/frameworks/Ruby/sinatra-sequel/Gemfile
@@ -4,7 +4,7 @@ gem 'oj'
 gem 'passenger', '~> 6.0', :platforms=>[:ruby, :mswin], :require=>false
 gem 'puma', '~> 6.4', :require=>false
 gem 'sequel', '~> 5.0'
-gem 'sinatra', '~> 3.0', :require=>'sinatra/base'
+gem 'sinatra', '~> 4.0', :require=>'sinatra/base'
 gem 'unicorn', '~> 6.1', :platforms=>[:ruby, :mswin], :require=>false
 
 group :mysql do
diff --git a/frameworks/Ruby/sinatra-sequel/README.md b/frameworks/Ruby/sinatra-sequel/README.md
index 147e20cb2ed..9f382526d82 100644
--- a/frameworks/Ruby/sinatra-sequel/README.md
+++ b/frameworks/Ruby/sinatra-sequel/README.md
@@ -15,9 +15,9 @@ The tests will be run with:
 * [Ruby 3.3](http://www.ruby-lang.org)
 * [JRuby 9.4](http://jruby.org)
 * [Puma 6](http://puma.io)
-* [Passenger 5](https://www.phusionpassenger.com)
+* [Passenger 6](https://www.phusionpassenger.com)
 * [Unicorn 5](https://bogomips.org/unicorn/)
-* [Sinatra 3](http://www.sinatrarb.com)
+* [Sinatra 4](http://www.sinatrarb.com)
 * [Sequel 5](http://sequel.jeremyevans.net)
 * [Slim 3](http://slim-lang.com)
 * [MySQL 5.5](https://www.mysql.com)
diff --git a/frameworks/Ruby/sinatra/Gemfile b/frameworks/Ruby/sinatra/Gemfile
index ff34570a2cb..b7db27d395f 100644
--- a/frameworks/Ruby/sinatra/Gemfile
+++ b/frameworks/Ruby/sinatra/Gemfile
@@ -4,7 +4,7 @@ gem 'activerecord', '~> 7.1', require: 'active_record'
 gem 'oj'
 gem 'passenger', '~> 6.0', platforms: [:ruby, :mswin], require: false
 gem 'puma', '~> 6.4', require: false
-gem 'sinatra', '~> 3.0', require: 'sinatra/base'
+gem 'sinatra', '~> 4.0', require: 'sinatra/base'
 gem 'unicorn', '~> 6.1', platforms: [:ruby, :mswin], require: false
 
 group :mysql do
diff --git a/frameworks/Ruby/sinatra/README.md b/frameworks/Ruby/sinatra/README.md
index ff118f6ff21..e0f14b9a171 100644
--- a/frameworks/Ruby/sinatra/README.md
+++ b/frameworks/Ruby/sinatra/README.md
@@ -16,7 +16,7 @@ The tests will be run with:
 * [Puma 6](http://puma.io)
 * [Passenger 6](https://www.phusionpassenger.com)
 * [Unicorn 6](https://bogomips.org/unicorn/)
-* [Sinatra 3](http://www.sinatrarb.com)
+* [Sinatra 4](http://www.sinatrarb.com)
 * [ActiveRecord 7](https://github.com/rails/rails/tree/master/activerecord)
 * [MySQL 5.5](https://www.mysql.com)
 * [Postgres 9.3](https://www.postgresql.org)