diff --git a/Gemfile b/Gemfile
index 3ba423b..1c78771 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,9 @@ source "https://rubygems.org"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem "rails", "~> 7.2.0.beta2"
+
+gem 'rack-cors'
+
 # Use sqlite3 as the database for Active Record
 gem "sqlite3", ">= 1.4"
 # Use the Puma web server [https://github.com/puma/puma]
diff --git a/Gemfile.lock b/Gemfile.lock
index 70b763f..b5c78ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,6 +137,8 @@ GEM
       nio4r (~> 2.0)
     racc (1.8.0)
     rack (3.1.4)
+    rack-cors (2.0.2)
+      rack (>= 2.0.0)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)
@@ -255,6 +257,7 @@ DEPENDENCIES
   brakeman
   debug
   puma (>= 5.0)
+  rack-cors
   rails (~> 7.2.0.beta2)
   rubocop-rails-omakase
   sqlite3 (>= 1.4)