diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index 6bd20ac..7c10e88 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -184,7 +184,7 @@ services:
     file: rallly.yml
     domain: "when.{{ base_domain }}"
     volume_folder: "{{ volume_root_folder }}/rallly"
-    version: "2.1"
+    version: "2"
     postgres_version: 14-alpine
     allowed_sender_domain: true