diff --git a/frameworks/Ruby/sinatra/Gemfile b/frameworks/Ruby/sinatra/Gemfile
index 61dae4790d3..e456bc6f846 100644
--- a/frameworks/Ruby/sinatra/Gemfile
+++ b/frameworks/Ruby/sinatra/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem 'activerecord', '~> 8.0', require: 'active_record'
 gem 'json', '~> 2.8'
-gem 'sinatra', '~> 4.0', require: 'sinatra/base'
+gem 'sinatra', '~> 4.2', require: 'sinatra/base'
 
 group :mysql, optional: true do
   gem 'trilogy', '~> 2.9.0', platforms: [:ruby, :windows]
diff --git a/frameworks/Ruby/sinatra/Gemfile.lock b/frameworks/Ruby/sinatra/Gemfile.lock
index 55cbe455179..c5ae3bfb03b 100644
--- a/frameworks/Ruby/sinatra/Gemfile.lock
+++ b/frameworks/Ruby/sinatra/Gemfile.lock
@@ -32,14 +32,14 @@ GEM
     json (2.13.2)
     logger (1.7.0)
     minitest (5.25.5)
-    mustermann (3.0.3)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.7.4)
     pg (1.5.9)
     puma (7.0.2)
       nio4r (~> 2.0)
-    rack (3.2.0)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -48,14 +48,14 @@ GEM
       rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
     securerandom (0.4.1)
-    sinatra (4.1.1)
+    sinatra (4.2.0)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.6.0)
+    tilt (2.6.1)
     timeout (0.4.3)
     trilogy (2.9.0)
     tzinfo (2.0.6)
@@ -73,7 +73,7 @@ DEPENDENCIES
   json (~> 2.8)
   pg (~> 1.5)
   puma (~> 7.0)
-  sinatra (~> 4.0)
+  sinatra (~> 4.2)
   trilogy (~> 2.9.0)
 
 BUNDLED WITH