diff --git a/setup.py b/setup.py
index 35aa9b0be..d29a42733 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-build_id="299.9" # may optionally include a ".{patchno}" suffix.
+build_id="300" # may optionally include a ".{patchno}" suffix.
 # Putting build_id at the top prevents automatic __doc__ assignment, and
 # I *want* the build number at the top :)
 __doc__="""This is a distutils setup-script for the pywin32 extensions