Index: firmware/App/HDCommon.h
===================================================================
diff -u -r7697369efefd40995676a1a17f7f38270cd3a8a3 -rf3e791eedcb7f06d924a79bc6c9340c110b5e0c2
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 7697369efefd40995676a1a17f7f38270cd3a8a3)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision f3e791eedcb7f06d924a79bc6c9340c110b5e0c2)
@@ -25,7 +25,7 @@
 #define HD_VERSION_MAJOR        0
 #define HD_VERSION_MINOR        6
 #define HD_VERSION_MICRO        0
-#define HD_VERSION_BUILD        638
+#define HD_VERSION_BUILD        639
 
 // ********** development build switches **********