diff --git a/python_module/megengine/version.py b/python_module/megengine/version.py
index 3d187266..dd9b22cc 100644
--- a/python_module/megengine/version.py
+++ b/python_module/megengine/version.py
@@ -1 +1 @@
-__version__ = "0.5.0"
+__version__ = "0.5.1"
diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index 739ecf2b..e5bc02b2 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   5
+#define MGB_PATCH   0
 //! whether it is development version
 #ifndef MGB_IS_DEV
 #define MGB_IS_DEV  0