diff --git a/Cython/Shadow.py b/Cython/Shadow.py
index b0a7de77adeba9ef416df3615b8a3b13c1aaff8c..b595c571271fa64f4b417713ac7819e52a79b8d9 100644
--- a/Cython/Shadow.py
+++ b/Cython/Shadow.py
@@ -1,5 +1,5 @@
 # cython.* namespace for pure mode.
-__version__ = "0.22pre"
+__version__ = "0.22.alpha0"
 
 
 # BEGIN shameless copy from Cython/minivect/minitypes.py