diff --git a/Gemfile b/Gemfile
index 346b7c2..77ec0cd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -62,7 +62,7 @@ end
 
 # Configured for Heroku 
 group :production do
-  gem 'rack',           '~> 2.1'
+  gem 'rack',           '~> 2.2'
   gem 'pg',	            '~> 1.1'
   gem 'rails_12factor', '~> 0.0.2'
   gem 'redis',          '~> 3.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index e34539e..a745a1c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -382,7 +382,7 @@ GEM
     puma (4.3.10)
       nio4r (~> 2.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.4.4)
@@ -542,7 +542,7 @@ DEPENDENCIES
   nokogiri (~> 1.12)
   pg (~> 1.1)
   puma (~> 4.3)
-  rack (~> 2.1)
+  rack (~> 2.2)
   rails (~> 6.1)
   rails-controller-testing (~> 1.0)
   rails_12factor (~> 0.0.2)