diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f8b8813..2529fe31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## v2.1.2 - 2021-11-05
+
+### Bug Fixes:
+
+- [TD-10828]:fix import taos error for TDengine 2.2 or 2.0
+- [TD-10838]:fix ci error in release
+
+### Documents:
+
+- [TD-10828]:improve document for pip install
+
 ## v0.1.0 - 2021-09-09
 
 ### Features:
diff --git a/pyproject.toml b/pyproject.toml
index d27a061c..08a23e51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "taospy"
-version = "2.1.1"
+version = "2.1.2"
 description = "TDengine connector for python"
 authors = ["Taosdata Inc. <support@taosdata.com>"]
 license = "AGPL-3.0"
diff --git a/taos/_version.py b/taos/_version.py
index 55fa725b..f8115612 100644
--- a/taos/_version.py
+++ b/taos/_version.py
@@ -1 +1 @@
-__version__ = '2.1.1'
+__version__ = '2.1.2'