diff --git a/apps/firefly-fints/docker-compose.yml b/apps/firefly-fints/docker-compose.yml
index 74d6ab1..6253114 100644
--- a/apps/firefly-fints/docker-compose.yml
+++ b/apps/firefly-fints/docker-compose.yml
@@ -13,6 +13,8 @@ services:
       - frontend_net
     security_opt:
       - no-new-privileges:true
+    ports:
+      - "8091:8080"
 
 networks:
   frontend_net: