diff --git a/pottwal.yml b/pottwal.yml
index 9ddcb39..0fdd72e 100644
--- a/pottwal.yml
+++ b/pottwal.yml
@@ -54,6 +54,7 @@
         state: started
         ports:
           - 1883:1883
+          - 9001:9001
         volumes:
           - "{{ mosquitto_data }}/config:/mosquitto/config"
           - "{{ mosquitto_data }}/data:/mosquitto/data"