diff --git a/version.go b/version.go
index 0d1aab02..630dde81 100644
--- a/version.go
+++ b/version.go
@@ -2,4 +2,4 @@ package main
 
 // version of this package.
 // Update this value before release of new version of software.
-const version = "0.12.0"
+const version = "0.13.0-dev"