diff --git a/proxy/main.go b/proxy/main.go
index 48252cc..fbe916d 100644
--- a/proxy/main.go
+++ b/proxy/main.go
@@ -14,7 +14,7 @@ import (
 )
 
 // TODO: to be managed externally
-const ZdmVersionString = "2.0.0"
+const ZdmVersionString = "2.1.0-rc1"
 
 var displayVersion = flag.Bool("version", false, "Display the ZDM proxy version and exit")