diff --git a/Source/kwsys/kwsysDateStamp.cmake b/Source/kwsys/kwsysDateStamp.cmake
index 1f205eed4..0d0ed6663 100644
--- a/Source/kwsys/kwsysDateStamp.cmake
+++ b/Source/kwsys/kwsysDateStamp.cmake
@@ -18,4 +18,4 @@ SET(KWSYS_DATE_STAMP_YEAR  2009)
 SET(KWSYS_DATE_STAMP_MONTH 10)
 
 # KWSys version date day component.  Format is DD.
-SET(KWSYS_DATE_STAMP_DAY   20)
+SET(KWSYS_DATE_STAMP_DAY   21)