diff --git a/Source/kwsys/kwsysDateStamp.cmake b/Source/kwsys/kwsysDateStamp.cmake
index d6f54cf47..80029397b 100644
--- a/Source/kwsys/kwsysDateStamp.cmake
+++ b/Source/kwsys/kwsysDateStamp.cmake
@@ -18,4 +18,4 @@ SET(KWSYS_DATE_STAMP_YEAR  2010)
 SET(KWSYS_DATE_STAMP_MONTH 08)
 
 # KWSys version date day component.  Format is DD.
-SET(KWSYS_DATE_STAMP_DAY   30)
+SET(KWSYS_DATE_STAMP_DAY   31)