diff --git a/Source/kwsys/kwsysDateStamp.cmake b/Source/kwsys/kwsysDateStamp.cmake
index db98d8c18..b4b22af16 100644
--- a/Source/kwsys/kwsysDateStamp.cmake
+++ b/Source/kwsys/kwsysDateStamp.cmake
@@ -7,4 +7,4 @@ SET(KWSYS_DATE_STAMP_YEAR  2009)
 SET(KWSYS_DATE_STAMP_MONTH 07)
 
 # KWSys version date day component.  Format is DD.
-SET(KWSYS_DATE_STAMP_DAY   30)
+SET(KWSYS_DATE_STAMP_DAY   31)