Change image tag to 'master' for development

Change-Id: Iced1eb4e0e1455f8be269075f71158f5ac6c471a
diff --git a/xos-services/volt/values.yaml b/xos-services/volt/values.yaml
index 31ebc37..08bd4f6 100644
--- a/xos-services/volt/values.yaml
+++ b/xos-services/volt/values.yaml
@@ -24,7 +24,7 @@
 
 image:
   repository: xosproject/volt-synchronizer
-  tag: 187ba8b89734ade92cb8ecac054fce986bc4d962
+  tag: master
   pullPolicy: IfNotPresent
 
 resources: {}