diff --git a/main.c b/main.c
index 7f44067..942c78b 100644
--- a/main.c
+++ b/main.c
@@ -7,7 +7,7 @@
 
 static void usage(void)
 {
-	printf("xfel(v1.3.2) - https://github.com/xboot/xfel\r\n");
+	printf("xfel(v1.3.3) - https://github.com/xboot/xfel\r\n");
 	printf("usage:\r\n");
 	printf("    xfel version                                        - Show chip version\r\n");
 	printf("    xfel hexdump <address> <length>                     - Dumps memory region in hex\r\n");