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/