diff --git a/Gemfile b/Gemfile
index 8ebcba0de..978b12919 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,7 +48,7 @@ gem "configurate", "0.3.1"
 
 # Cross-origin resource sharing
 
-gem "rack-cors", "0.4.1", require: "rack/cors"
+gem "rack-cors", "1.0.1", require: "rack/cors"
 
 # CSS
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5b4d0c3a1..471f4f217 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -469,7 +469,7 @@ GEM
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
     rack (1.6.8)
-    rack-cors (0.4.1)
+    rack-cors (1.0.1)
     rack-google-analytics (1.2.0)
       actionpack
       activesupport
@@ -832,7 +832,7 @@ DEPENDENCIES
   pry
   pry-byebug
   quiet_assets (= 1.1.0)
-  rack-cors (= 0.4.1)
+  rack-cors (= 1.0.1)
   rack-google-analytics (= 1.2.0)
   rack-piwik (= 0.3.0)
   rack-rewrite (= 1.5.1)