diff --git a/Gemfile b/Gemfile
index d38d613..34daa15 100644
--- a/Gemfile
+++ b/Gemfile
@@ -20,7 +20,7 @@ gem 'rails-settings-cached'
 gem 'cancancan', '~> 1.9'
 gem 'omniauth', '~> 1.3.2'
 gem 'omniauth-oauth2'
-gem 'rack-cors', '~> 0.4.1', :require => 'rack/cors'
+gem 'rack-cors', '~> 1.0.6', :require => 'rack/cors'
 gem 'foundation-rails'
 gem 'simple_form'
 gem 'newrelic_rpm'
diff --git a/Gemfile.lock b/Gemfile.lock
index a9e6cf1..d13d201 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,7 +201,8 @@ GEM
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.6.10)
-    rack-cors (0.4.1)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.7.1)
@@ -365,7 +366,7 @@ DEPENDENCIES
   pg
   progress
   quiet_assets
-  rack-cors (~> 0.4.1)
+  rack-cors (~> 1.0.6)
   rack-secure_samesite_cookies!
   rails (~> 4.2.7.1)
   rails-settings-cached