diff --git a/Gemfile.lock b/Gemfile.lock
index 3e0d64527..6bf21cb0a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -211,7 +211,7 @@ GEM
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
     rack (1.5.5)
-    rack-cors (0.3.1)
+    rack-cors (1.0.3)
     rack-streaming-proxy (2.0.1)
       rack (>= 1.4)
       servolux (~> 0.10)