diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index 0a5f4a839377a4fb1118f21d11560bf5921aaedb..09bdeb94d47d9aa79fe1eb1263d98d4e3163234b 100644
--- a/src/core/include/megbrain/version.h
+++ b/src/core/include/megbrain/version.h
@@ -14,7 +14,7 @@
 #include "megbrain_build_config.h"
 
 #define MGE_MAJOR 1
-#define MGE_MINOR 8
+#define MGE_MINOR 9
 #define MGE_PATCH 0
 
 // for rc version, could be like "rc1", "rc2", etc