--- a/trunk/core/vxl_version.h
+++ b/trunk/core/vxl_version.h
@@ -27,8 +27,8 @@
 //: Version date.  This is updated every day.
 // Formats are year=CCYY, month=MM, day=DD
 #define VXL_VERSION_DATE_YEAR 2013
-#define VXL_VERSION_DATE_MONTH 04
-#define VXL_VERSION_DATE_DAY 30
+#define VXL_VERSION_DATE_MONTH 05
+#define VXL_VERSION_DATE_DAY 01
 
 //: Helper macros to create strings with the preprocessor.
 #define VXL_VERSION_TO_STRING(s) VXL_VERSION_TO_STRING0(s)