diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index edce5e0..46c5fa6 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,6 +15,7 @@
 
 
 name: exampleservice
+core_version: ">=2.2.1"
 required_models:
   - ExampleService
   - ExampleServiceInstance