diff --git a/Gemfile b/Gemfile
index 31ec90d..08bd518 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,7 +57,7 @@ gem 'nokogiri', '~> 1.8.2'
 
 gem 'rack-attack', '~> 4.3.0'
 
-gem 'rack-cors', '~>0.4.1', require: 'rack/cors'
+gem 'rack-cors', '~>1.0.5', require: 'rack/cors'
 
 gem 'rack-rewrite', '~> 1.5.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e54cde0..2073ef0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -275,7 +275,8 @@ GEM
     rack (2.0.5)
     rack-attack (4.3.1)
       rack
-    rack-cors (0.4.1)
+    rack-cors (1.0.5)
+      rack (>= 1.6.0)
     rack-rewrite (1.5.1)
     rack-ssl-enforcer (0.2.9)
     rack-test (1.1.0)
@@ -470,7 +471,7 @@ DEPENDENCIES
   pry-stack_explorer
   puma (~> 3.12.0)
   rack-attack (~> 4.3.0)
-  rack-cors (~> 0.4.1)
+  rack-cors (~> 1.0.5)
   rack-rewrite (~> 1.5.1)
   rack-ssl-enforcer
   rails (~> 5.2.1)