diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 32919b0f..6ee284b6 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -77,7 +77,8 @@ GEM
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     rack (1.6.4)
-    rack-cors (0.4.1)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)