diff --git a/lib/arbre/version.rb b/lib/arbre/version.rb
index 64427826..2c79c0be 100644
--- a/lib/arbre/version.rb
+++ b/lib/arbre/version.rb
@@ -1,3 +1,3 @@
 module Arbre
-  VERSION = "0.0.1"
+  VERSION = "1.0.0.rc1"
 end