diff --git a/sys/dev/rtsx/rtsx.c b/sys/dev/rtsx/rtsx.c
index 7c0c8b21d81..7492b94461d 100644
--- a/sys/dev/rtsx/rtsx.c
+++ b/sys/dev/rtsx/rtsx.c
@@ -169,7 +169,7 @@ struct rtsx_softc {
 #define	RTSX_RTL8411		0x5289
 #define	RTSX_RTL8411B		0x5287
 
-#define	RTSX_VERSION		"2.1b"
+#define	RTSX_VERSION		"2.1c"
 
 static const struct rtsx_device {
 	uint16_t	vendor_id;