diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index 1ad33d5..fbbd43a 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -16,8 +16,7 @@
 
 # xosproject/fabric-crossconnect-synchronizer
 
-FROM xosproject/xos-synchronizer-base:2.1.50
-
+FROM xosproject/xos-synchronizer-base:2.2.1
 COPY xos/synchronizer /opt/xos/synchronizers/fabric-crossconnect
 COPY VERSION /opt/xos/synchronizers/fabric-crossconnect/
 
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