diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index ef6d5d1..a9be75a 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -15,7 +15,7 @@
 # docker build -t xosproject/fabric-synchronizer:candidate -f Dockerfile.synchronizer .
 
 # xosproject/fabric-synchronizer
-FROM xosproject/xos-synchronizer-base:2.1.21
+FROM xosproject/xos-synchronizer-base:2.1.22
 
 COPY xos/synchronizer /opt/xos/synchronizers/fabric
 COPY VERSION /opt/xos/synchronizers/fabric/
diff --git a/VERSION b/VERSION
index 7d2ed7c..cd57a8b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.4
+2.1.5