diff --git a/deployments/staging/docker-compose.yaml b/deployments/staging/docker-compose.yaml
index b1f0fde..dd5d54b 100644
--- a/deployments/staging/docker-compose.yaml
+++ b/deployments/staging/docker-compose.yaml
@@ -1,3 +1,4 @@
+version: "3"
 services:
   router:
     container_name: router