diff --git a/docker-compose.yaml b/docker-compose.yaml
index 1ea874c..74f2e4c 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3.9"
-
 x-environment: &default-env
   MQTT_BROKER: "172.23.1.102"
   MQTT_PORT: 1883