diff --git a/Gemfile.lock b/Gemfile.lock
index c14f44800..031e8587b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    capybara (0.3.9)
+    capybara (0.4.0.rc)
       celerity (>= 0.7.9)
       culerity (>= 0.2.4)
       mime-types (>= 1.16)
diff --git a/lib/capybara/version.rb b/lib/capybara/version.rb
index 309c92ff0..04d141a95 100644
--- a/lib/capybara/version.rb
+++ b/lib/capybara/version.rb
@@ -1,3 +1,3 @@
 module Capybara
-  VERSION = '0.3.9'
+  VERSION = '0.4.0.rc'
 end