diff --git a/_example/etc/nginx-lua-headers.conf b/_example/etc/nginx-lua-headers.conf
index 24b869c8b..85380bc98 100644
--- a/_example/etc/nginx-lua-headers.conf
+++ b/_example/etc/nginx-lua-headers.conf
@@ -18,6 +18,16 @@
     auth_request_set $headervalue9 $upstream_http_headervalue9;
     auth_request_set $headername10 $upstream_http_headername10;
     auth_request_set $headervalue10 $upstream_http_headervalue10;
+    auth_request_set $headername11 $upstream_http_headername11;
+    auth_request_set $headervalue11 $upstream_http_headervalue11;
+    auth_request_set $headername12 $upstream_http_headername12;
+    auth_request_set $headervalue12 $upstream_http_headervalue12;
+    auth_request_set $headername13 $upstream_http_headername13;
+    auth_request_set $headervalue13 $upstream_http_headervalue13;
+    auth_request_set $headername14 $upstream_http_headername14;
+    auth_request_set $headervalue14 $upstream_http_headervalue14;
+    auth_request_set $headername15 $upstream_http_headername15;
+    auth_request_set $headervalue15 $upstream_http_headervalue15;
     auth_request_set $lmcookie $upstream_http_cookie;
     access_by_lua '
       i = 1