diff --git a/PCbuild/BUILDno.txt b/PCbuild/BUILDno.txt
index cc2039b7485..01893770a08 100644
--- a/PCbuild/BUILDno.txt
+++ b/PCbuild/BUILDno.txt
@@ -33,7 +33,7 @@ How to change the Windows build number:
 
 Windows Python BUILD numbers
 ----------------------------
-  32    2.2.1a1
+  32    2.2.1c1
         "Soon"
   31    2.1.2 final
         16-Jan-2002