diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index 33a76f0..5a1a842 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,6 +15,7 @@
 
 
 name: fabric-crossconnect
+core_version: ">=2.2.1"
 required_models:
   - FabricCrossconnectService
   - FabricCrossconnectServiceInstance