diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index 739ecf2b2cc11c207c6142528f877e4fcf545c86..c002e2924d688c29122091178c2a9ffaf1f36a9b 100644
--- a/src/core/include/megbrain/version.h
+++ b/src/core/include/megbrain/version.h
@@ -12,8 +12,8 @@
 #pragma once
 
 #define MGB_MAJOR   8
-#define MGB_MINOR   4
-#define MGB_PATCH   1
+#define MGB_MINOR   9999
+#define MGB_PATCH   0
 //! whether it is development version
 #ifndef MGB_IS_DEV
 #define MGB_IS_DEV  0