diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index fdac6ea..f12ecb8 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,6 +15,7 @@
 
 
 name: mcord
+core_version: ">=2.2.1"
 dependency_graph: "/opt/xos/synchronizers/mcord/model-deps"
 sys_dir: "/opt/xos/synchronizers/mcord/sys"
 models_dir: "/opt/xos/synchronizers/mcord/models"