diff --git a/deployments/staging/docker-compose.yaml b/deployments/staging/docker-compose.yaml
index 8a445d5..0ec0663 100644
--- a/deployments/staging/docker-compose.yaml
+++ b/deployments/staging/docker-compose.yaml
@@ -1,3 +1,4 @@
+version: "3"
 services:
   hub:
     container_name: hub