feat(version): update version to next release.
diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index f9c7db4..9c0115f 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -18,5 +18,5 @@
 files = setup.py
 commit = True
 tag = True
-current_version = 2.0.0
+current_version = 2.0.0rc1
 
diff --git a/setup.py b/setup.py
index 074aeb6..7bdcf81 100755
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@
 
 setup(
     name='rocketmq-client-python',
-    version='2.0.0',
+    version='2.0.1rc1',
     author='apache.rocketmq',
     author_email='dev@rocketmq.apache.org',
     packages=find_packages(exclude=('tests', 'tests.*')),