diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index 850e48b2b..04f80fafe 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -83,7 +83,7 @@ static struct scst_trace_log vdisk_local_trace_tbl[] = {
 #define SCST_FIO_VENDOR			"SCST_FIO"
 #define SCST_BIO_VENDOR			"SCST_BIO"
 /* 4 byte ASCII Product Revision Level - left aligned */
-#define SCST_FIO_REV			" 320"
+#define SCST_FIO_REV			" 321"
 
 #define MAX_USN_LEN			(20+1) /* For '\0' */
 #define MAX_INQ_VEND_SPECIFIC_LEN	(INQ_BUF_SZ - 96)
diff --git a/usr/fileio/common.h b/usr/fileio/common.h
index 070373745..6ef6a995d 100644
--- a/usr/fileio/common.h
+++ b/usr/fileio/common.h
@@ -30,7 +30,7 @@
 /* 8 byte ASCII Vendor */
 #define VENDOR				"SCST_USR"
 /* 4 byte ASCII Product Revision Level - left aligned */
-#define FIO_REV				" 320"
+#define FIO_REV				" 321"
 
 #define MAX_USN_LEN			(20+1) /* For '\0' */