diff --git a/sdks/bkpaas-auth/CHANGES.md b/sdks/bkpaas-auth/CHANGES.md
index 5b51165..47014d6 100644
--- a/sdks/bkpaas-auth/CHANGES.md
+++ b/sdks/bkpaas-auth/CHANGES.md
@@ -1,5 +1,9 @@
 # 版本历史
 
+## 3.2.1
+
+- 使用 json 替换 pickle 来完成用户数据的序列化/反序列化
+
 ## 3.2.0
 
 - 增加对 Django 5.x 版本的支持，并移除对 Python 3.9 版本的支持
diff --git a/sdks/bkpaas-auth/bkpaas_auth/__init__.py b/sdks/bkpaas-auth/bkpaas_auth/__init__.py
index 931df15..0b847e2 100644
--- a/sdks/bkpaas-auth/bkpaas_auth/__init__.py
+++ b/sdks/bkpaas-auth/bkpaas_auth/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-__version__ = "3.1.3"
+__version__ = "3.2.1"
 
 
 def get_user_by_user_id(user_id: str, username_only: bool = True):
diff --git a/sdks/bkpaas-auth/pyproject.toml b/sdks/bkpaas-auth/pyproject.toml
index 8ce6627..cc3705a 100644
--- a/sdks/bkpaas-auth/pyproject.toml
+++ b/sdks/bkpaas-auth/pyproject.toml
@@ -5,7 +5,7 @@ classifiers = ["License :: OSI Approved :: MIT License"]
 # PEP 621 project metadata
 # See https://www.python.org/dev/peps/pep-0621/
 name = "bkpaas-auth"
-version = "3.2.0"
+version = "3.2.1"
 description = "User authentication django app for blueking internal projects"
 readme = "README.md"
 authors = [{ name = "blueking", email = "blueking@tencent.com" }]