diff --git a/src/Kconfig b/src/Kconfig
index bf0bd5a3fd..9ae655c670 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -316,4 +316,10 @@ menu "Kernel Device Object"
 
 endmenu
 
+config RT_VER_NUM
+    hex
+    default 0x40000
+    help
+        RT-Thread version number
+
 endmenu