diff --git a/README.md b/README.md
index 6079239..078bbfa 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ poetry install
 - install with pip:
 
 ```shell
-pip install pyobvector==0.1.1
+pip install pyobvector==0.1.2
 ```
 
 ## Build Doc
diff --git a/pyproject.toml b/pyproject.toml
index 9393180..1a9d65c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyobvector"
-version = "0.1.1"
+version = "0.1.2"
 description = ""
 authors = ["shanhaikang.shk <shanhaikang.shk@oceanbase.com>"]
 readme = "README.md"