diff --git a/docker-compose.yml b/docker-compose.yml
index 249f669..77009a8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.6'
 
 services:
   asterisk:
-    image: onenetcom/asterisk
+    image: onenetcom/asterisk:1.6
     restart: unless-stopped
     cap_add:
       - sys_ptrace                          # Only here to help testing