diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index fb3dae7..0b6fe1a 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -16,7 +16,7 @@
 
 # xosproject/att-workflow-driver-synchronizer
 
-FROM xosproject/xos-synchronizer-base:2.1.50
+FROM xosproject/xos-synchronizer-base:2.2.1
 
 COPY xos/synchronizer /opt/xos/synchronizers/att-workflow-driver
 COPY VERSION /opt/xos/synchronizers/att-workflow-driver/
diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index 920aa5e..f6f1690 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,6 +15,7 @@
 
 
 name: att-workflow-driver
+core_version: ">=2.2.1"
 required_models:
   - AttWorkflowDriverService
   - AttWorkflowDriverServiceInstance