diff --git a/Cython/__init__.py b/Cython/__init__.py
index 838bb55a087c44b87ccb7d9a534e623aaa5d2fee..a7dc0832fbbff147453ac58b12f2e34838914718 100644
--- a/Cython/__init__.py
+++ b/Cython/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.14.1+"
+__version__ = "0.15rc0"
 
 # Void cython.* directives (for case insensitive operating systems).
 from Cython.Shadow import *