diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index c373fef2..dc557fda 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,4 +1,4 @@
-version: "3.9"
+version: "3.3"
 
 services:
   proxy: 
diff --git a/docker-compose.yml b/docker-compose.yml
index fa59c0ee..af970163 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "3.9"
+version: "3.3"
 
 volumes:
   ganache-db: {}