diff --git a/share/version.go b/share/version.go
index 2eaea8f..ed47004 100644
--- a/share/version.go
+++ b/share/version.go
@@ -4,4 +4,4 @@ package chshare
 //incompatible changes are made, this will
 //be incremented to signify a protocol
 //mismatch.
-const ProtocolVersion = "chisel-v1"
+const ProtocolVersion = "chisel-v2"