diff --git a/CMakeLists.txt b/CMakeLists.txt
index 01d7b0ff..3bd7d1ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1199,7 +1199,7 @@ if (NOT MGE_WITH_DISTRIBUTED)
     )
     write_basic_package_version_file(
         ${CMAKE_CURRENT_BINARY_DIR}/MegEngineConfigVersion.cmake
-        VERSION ${MGB_VER_MAJOR}.${MGB_VER_MINOR}.${MGB_VER_PATCH}
+        VERSION ${MGB_VER_STRING}
         COMPATIBILITY SameMajorVersion)
 
     install(EXPORT ${MGE_EXPORT_TARGETS} DESTINATION ${MGE_INSTALL_CMAKEDIR})
diff --git a/cmake/FetchMegBrainVersion.cmake b/cmake/FetchMegBrainVersion.cmake
index 5c625bb6..aab88bfa 100644
--- a/cmake/FetchMegBrainVersion.cmake
+++ b/cmake/FetchMegBrainVersion.cmake
@@ -18,6 +18,15 @@ set (MGB_VER_MINOR ${CMAKE_MATCH_1})
 string (REGEX MATCH "MGB_PATCH *([0-9]+)" _ ${content})
 set (MGB_VER_PATCH ${CMAKE_MATCH_1})
 
+string (REGEX MATCH "MGE_MAJOR +([0-9]+)" _ ${content})
+set (MGE_VER_MAJOR ${CMAKE_MATCH_1})
+
+string (REGEX MATCH "MGE_MINOR +([0-9]+)" _ ${content})
+set (MGE_VER_MINOR ${CMAKE_MATCH_1})
+
+string (REGEX MATCH "MGE_PATCH *([0-9]+)" _ ${content})
+set (MGE_VER_PATCH ${CMAKE_MATCH_1})
+
 if (MGB_FORCE_DEV_VERSION)
     set (MGB_IS_DEV 1)
 else()
@@ -25,8 +34,12 @@ else()
     set (MGB_IS_DEV ${CMAKE_MATCH_1})
 endif()
 
-set (MGB_VER_STRING "${MGB_VER_MAJOR}.${MGB_VER_MINOR}.${MGB_VER_PATCH}")
-if (MGB_IS_DEV)    
+if (DEFINED MGB_VER_MAJOR)
+    set (MGB_VER_STRING "${MGB_VER_MAJOR}.${MGB_VER_MINOR}.${MGB_VER_PATCH}")
+else()
+    set (MGB_VER_STRING "${MGE_VER_MAJOR}.${MGE_VER_MINOR}.${MGE_VER_PATCH}")
+endif(DEFINED MGB_VER_MAJOR)
+if (MGB_IS_DEV)
     set (MGB_VER_STRING "${MGB_VER_STRING}-dev")
 endif()
 
diff --git a/imperative/CMakeLists.txt b/imperative/CMakeLists.txt
index e3cccaac..5e4f0024 100644
--- a/imperative/CMakeLists.txt
+++ b/imperative/CMakeLists.txt
@@ -75,7 +75,13 @@ add_custom_command(
     COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/python/requires-test.txt ${CMAKE_CURRENT_BINARY_DIR}/python/requires-test.txt
 )
 
+if(DEFINED MGB_VER_MAJOR)
+    set(IS_INTERNAL "--internal")
+else()
+    set(IS_INTERNAL "")
+endif()
+
 add_custom_command(
     TARGET ${MODULE_NAME} POST_BUILD
-    COMMAND "${PYTHON_EXECUTABLE}" ${CMAKE_CURRENT_SOURCE_DIR}/python/gen_version.py --output ${CMAKE_CURRENT_BINARY_DIR}/python/megengine/version.py
+    COMMAND "${PYTHON_EXECUTABLE}" ${CMAKE_CURRENT_SOURCE_DIR}/python/gen_version.py --output ${CMAKE_CURRENT_BINARY_DIR}/python/megengine/version.py --major ${MGE_VER_MAJOR} --minor ${MGE_VER_MINOR} --patch ${MGE_VER_PATCH} ${IS_INTERNAL}
 )
diff --git a/imperative/python/gen_version.py b/imperative/python/gen_version.py
index d0e7ef26..bd38ffed 100644
--- a/imperative/python/gen_version.py
+++ b/imperative/python/gen_version.py
@@ -17,15 +17,16 @@ def get_mge_version(version_txt_path):
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="generate version.py to build path")
     parser.add_argument("--output", type=str, required=True)
+    parser.add_argument("--major", type=int, required=True)
+    parser.add_argument("--minor", type=int, required=True)
+    parser.add_argument("--patch", type=int, required=True)
+    parser.add_argument("--internal", action='store_true')
     args = parser.parse_args()
     python_dir = os.path.dirname(__file__)
-    version_txt_path = os.path.join(python_dir, 'version_template.py')
     commit_id = get_git_commit(python_dir)
-    mge_ver_map = get_mge_version(version_txt_path)
-    mge_ver = mge_ver_map['__version__'] if '__version__' in mge_ver_map else 'unknown'
-    mge_intl = mge_ver_map['__internal__'] if '__internal__' in mge_ver_map else False
+    mge_ver = str(args.major) + "." + str(args.minor) + "." + str(args.patch)
     with open(args.output, 'w') as f:
         f.write("__version__ = '{}'\n".format(mge_ver))
         f.write("git_version = {}\n".format(repr(commit_id)))
-        if mge_intl:
+        if args.internal:
             f.write("__internal__ = True\n")
diff --git a/imperative/python/version_template.py b/imperative/python/version_template.py
deleted file mode 100644
index 08159023..00000000
--- a/imperative/python/version_template.py
+++ /dev/null
@@ -1,9 +0,0 @@
-# -*- coding: utf-8 -*-
-# MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
-#
-# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-__version__ = "1.7.0.dev"
diff --git a/src/core/impl/version.cpp b/src/core/impl/version.cpp
index 7f168603..af76bf1b 100644
--- a/src/core/impl/version.cpp
+++ b/src/core/impl/version.cpp
@@ -14,7 +14,11 @@
 using namespace mgb;
 
 Version mgb::get_version() {
+#ifdef MGB_MAJOR
     return {MGB_MAJOR, MGB_MINOR, MGB_PATCH, MGB_IS_DEV};
+#else
+    return {MGE_MAJOR, MGE_MINOR, MGE_PATCH, MGB_IS_DEV};
+#endif
 }
 
 // vim: syntax=cpp.doxygen foldmethod=marker foldmarker=f{{{,f}}}
diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index 099427df..72ac73fc 100644
--- a/src/core/include/megbrain/version.h
+++ b/src/core/include/megbrain/version.h
@@ -13,9 +13,10 @@
 
 #include "megbrain_build_config.h"
 
-#define MGB_MAJOR 8
-#define MGB_MINOR 9999
-#define MGB_PATCH 0
+#define MGE_MAJOR 1
+#define MGE_MINOR 7
+#define MGE_PATCH 0
+
 //! whether it is development version
 #ifndef MGB_IS_DEV
 #define MGB_IS_DEV 0
diff --git a/src/serialization/impl/serializer_oss.cpp b/src/serialization/impl/serializer_oss.cpp
index ac7aca4d..d30d6971 100644
--- a/src/serialization/impl/serializer_oss.cpp
+++ b/src/serialization/impl/serializer_oss.cpp
@@ -45,7 +45,7 @@ using namespace mgb::serialization;
 
 namespace {
 
-constexpr uint32_t MGB_VERSION = (MGB_MAJOR * 1000 + MGB_MINOR) * 100 + MGB_PATCH;
+constexpr uint32_t MGB_VERSION = (MGE_MAJOR * 1000 + MGE_MINOR) * 100 + MGE_PATCH;
 
 constexpr uint32_t MGB_MAGIC = 0x5342474D;