diff --git a/Core/Inc/yunhorn_sts_prd_conf.h b/Core/Inc/yunhorn_sts_prd_conf.h
index 5834cd0..e9a6437 100644
--- a/Core/Inc/yunhorn_sts_prd_conf.h
+++ b/Core/Inc/yunhorn_sts_prd_conf.h
@@ -61,7 +61,7 @@
 #ifdef    YUNHORN_STS_M7_ENABLED
 #define MajorVer													23U
 #define MinorVer													06U
-#define SubMinorVer 											20U
+#define SubMinorVer 											21U
 #define FirmwareVersion										3U
 #define	YUNHORN_STS_M7_NVM_CFG_SIZE				3U
 #define	YUNHORN_STS_M7_CFG_CMD_SIZE				9U