diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index 09bdeb94..748c4dcc 100644
--- a/src/core/include/megbrain/version.h
+++ b/src/core/include/megbrain/version.h
@@ -15,7 +15,7 @@
 
 #define MGE_MAJOR 1
 #define MGE_MINOR 9
-#define MGE_PATCH 0
+#define MGE_PATCH 1
 
 // for rc version, could be like "rc1", "rc2", etc
 #define MGE_EXTRA_NAME ""