diff --git a/package/thingino-portal/files/index.cgi b/package/thingino-portal/files/index.cgi
index 531583122..a29719782 100755
--- a/package/thingino-portal/files/index.cgi
+++ b/package/thingino-portal/files/index.cgi
@@ -2,7 +2,7 @@
 <%
 
 timestamp=$(date +%s)
-ttl_in_sec=120
+ttl_in_sec=600
 
 from_env() {
 	fw_printenv -n "$1" | tr -d '\n'