diff --git a/Gemfile b/Gemfile
index 39b4307..53b5510 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gem 'prometheus-client'
 gem 'puma'
 gem 'newrelic_rpm'
 gem 'nokogiri', '~> 1.16'
-gem 'rack', '~> 3.0.0'
+gem 'rack', '~> 3.0.9', '>= 3.0.9.1'
 gem 'rake', '~> 13.0.0'
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index bede885..5de110b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (3.0.9)
+    rack (3.0.9.1)
     rack-protection (4.0.0)
       base64 (>= 0.1.0)
       rack (>= 3.0.0, < 4)
@@ -98,7 +98,7 @@ DEPENDENCIES
   prometheus-client
   pry-byebug
   puma
-  rack (~> 3.0.0)
+  rack (~> 3.0.9, >= 3.0.9.1)
   rack-test (>= 2.0.0)
   rackup
   rake (~> 13.0.0)