diff --git a/src/common/header/common.h b/src/common/header/common.h
index bec88d43..f78cd219 100644
--- a/src/common/header/common.h
+++ b/src/common/header/common.h
@@ -32,7 +32,7 @@
 #include "shared.h"
 #include "crc.h"
 
-#define	VERSION		3.99
+#define	VERSION		4.01
 #define	BASEDIRNAME	"baseq2"
 
 #if defined __linux__