diff --git a/lib/omniauth/version.rb b/lib/omniauth/version.rb
index ea777f2f1..c2b5fe54d 100644
--- a/lib/omniauth/version.rb
+++ b/lib/omniauth/version.rb
@@ -1,3 +1,3 @@
 module OmniAuth
-  VERSION = '1.9.1'.freeze
+  VERSION = '2.0.0-rc1'.freeze
 end