diff --git a/Bootstrap.Admin/Web.config b/Bootstrap.Admin/Web.config
index f90832ea..3f1fb621 100644
--- a/Bootstrap.Admin/Web.config
+++ b/Bootstrap.Admin/Web.config
@@ -88,6 +88,7 @@
         <add name="Access-Control-Allow-Origin" value="*" />
         <add name="Access-Control-Allow-Methods" value="GET,POST,PUT,DELETE,OPTIONS"/>
         <add name="Access-Control-Allow-Headers" value="Token" />
+        <add name="Access-Control-Max-Age" value="30" />
       </customHeaders>
     </httpProtocol>
     <staticContent>