[SEBA-126] Fixing validation

Change-Id: I4427518b51b45282bd5d84da121086a008783f3e
diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index eb38448..5589b48 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -14,7 +14,7 @@
 
 # xosproject/onos-synchronizer
 
-FROM xosproject/xos-synchronizer-base:2.0.0
+FROM xosproject/xos-synchronizer-base:master
 
 COPY xos/synchronizer /opt/xos/synchronizers/onos
 COPY VERSION /opt/xos/synchronizers/onos/