diff --git a/Source/kwsys/kwsysDateStamp.cmake b/Source/kwsys/kwsysDateStamp.cmake
index 74d2bd8b9..e684b3eee 100644
--- a/Source/kwsys/kwsysDateStamp.cmake
+++ b/Source/kwsys/kwsysDateStamp.cmake
@@ -7,4 +7,4 @@ SET(KWSYS_DATE_STAMP_YEAR  2007)
 SET(KWSYS_DATE_STAMP_MONTH 12)
 
 # KWSys version date day component.  Format is DD.
-SET(KWSYS_DATE_STAMP_DAY   12)
+SET(KWSYS_DATE_STAMP_DAY   13)