Index: firmware/App/HDCommon.h
===================================================================
diff -u -rb3522081a40e6d300a00828cb9fdadfc2c1bc708 -r63d52f57d5f1984cc472a8dc490a8f6b11c6e386
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision b3522081a40e6d300a00828cb9fdadfc2c1bc708)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 63d52f57d5f1984cc472a8dc490a8f6b11c6e386)
@@ -25,7 +25,7 @@
 #define HD_VERSION_MAJOR        0
 #define HD_VERSION_MINOR        6
 #define HD_VERSION_MICRO        0
-#define HD_VERSION_BUILD        20
+#define HD_VERSION_BUILD        21
 
 // ********** development build switches **********