diff --git a/Release-Note.md b/Release-Note.md
index 4c17c7d..cefed25 100644
--- a/Release-Note.md
+++ b/Release-Note.md
@@ -1,6 +1,6 @@
 # Release Notes
 
-## v0.0.1b1 - Major Enhancements & Restructuring (2025-07-22)
+## v0.0.1b2 - Major Enhancements & Restructuring (2025-07-22)
 
 🚀 **A comprehensive update focusing on developer experience, code organization, and expanded examples!**
 
@@ -311,7 +311,7 @@ This initial release establishes the foundation for Z.ai's Python SDK. Future re
 
 ## Migration Guide
 
-### From v0.0.1a1 to v0.0.1b1
+### From v0.0.1a1 to v0.0.1b2
 *No breaking changes - all existing code continues to work!*
 
 **Optional Enhancements:**
diff --git a/pyproject.toml b/pyproject.toml
index 6d0c50f..e85f1bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "zai-sdk"
-version = "0.0.1b1"
+version = "0.0.1b2"
 description = "A SDK library for accessing big model apis from Z.ai"
 authors = ["Z.ai"]
 readme = "README.md"
diff --git a/src/zai/_version.py b/src/zai/_version.py
index 63a75a6..0fecd85 100644
--- a/src/zai/_version.py
+++ b/src/zai/_version.py
@@ -1,2 +1,2 @@
 __title__ = 'Z.ai'
-__version__ = '0.0.1b1'
+__version__ = '0.0.1b2'