diff --git a/docker-compose.yml b/docker-compose.yml
index a513537..ee8f385 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,9 +9,10 @@ x-logging:
 
 services:
   identifier:
-    image: semtech/mu-identifier:1.8.1
+    image: semtech/mu-identifier:1.9.1
     environment:
       DEFAULT_MU_AUTH_ALLOWED_GROUPS_HEADER: "[{\"variables\":[],\"name\":\"public\"}]"
+      SESSION_COOKIE_SECURE: "on"
     labels:
       - "logging=true"
     restart: always