diff --git a/docker/docker-compose.prod.yml b/docker/docker-compose.prod.yml
index aa1b36b..abfe9d3 100644
--- a/docker/docker-compose.prod.yml
+++ b/docker/docker-compose.prod.yml
@@ -36,6 +36,8 @@ services:
     ports:
       - 9308
       - 9312
+    expose:
+      - 9306
     ulimits:
       nproc: 65535
       nofile: