diff --git a/python/pyproject.toml b/python/pyproject.toml
index d523e1e10..83b365eb7 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sglang"
-version = "0.1.20"
+version = "0.1.21"
 description = "A structured generation langauge for LLMs."
 readme = "README.md"
 requires-python = ">=3.8"
diff --git a/python/sglang/__init__.py b/python/sglang/__init__.py
index 89a3bf418..aea66b2e7 100644
--- a/python/sglang/__init__.py
+++ b/python/sglang/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.1.20"
+__version__ = "0.1.21"
 
 # SGL API Components
 from sglang.api import (