diff --git a/templates/docker-compose.yml b/templates/docker-compose.yml
index 21de512..e63d2f8 100644
--- a/templates/docker-compose.yml
+++ b/templates/docker-compose.yml
@@ -1,7 +1,5 @@
 # {{ ansible_managed }}
 
-version: '3.1'
-
 services:
   prometheus:
     image: prom/prometheus:{{ docker_prometheus_version }}