Index: firmware/App/HDCommon.h
===================================================================
diff -u -rd5cce11900946d754e87b763b9bd5804db0397bc -rce9723fa9807bb7ca9fca7738d0de393ea2a03af
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision d5cce11900946d754e87b763b9bd5804db0397bc)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision ce9723fa9807bb7ca9fca7738d0de393ea2a03af)
@@ -25,7 +25,7 @@
 #define HD_VERSION_MAJOR        0
 #define HD_VERSION_MINOR        6
 #define HD_VERSION_MICRO        0
-#define HD_VERSION_BUILD        420
+#define HD_VERSION_BUILD        421
 
 // ********** development build switches **********