diff --git a/sgl-kernel/pyproject.toml b/sgl-kernel/pyproject.toml
index ed3dfde54..3e918ace8 100644
--- a/sgl-kernel/pyproject.toml
+++ b/sgl-kernel/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "sgl-kernel"
-version = "0.3.20"
+version = "0.3.21"
 authors = [
   { name="Yineng Zhang", email="me@zhyncs.com" },
 ]
diff --git a/sgl-kernel/pyproject_cpu.toml b/sgl-kernel/pyproject_cpu.toml
index 04969e2b5..9d7502a96 100644
--- a/sgl-kernel/pyproject_cpu.toml
+++ b/sgl-kernel/pyproject_cpu.toml
@@ -8,7 +8,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "sgl-kernel"
-version = "0.3.20"
+version = "0.3.21"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/sgl-kernel/pyproject_rocm.toml b/sgl-kernel/pyproject_rocm.toml
index 7895058fc..40ca884a7 100644
--- a/sgl-kernel/pyproject_rocm.toml
+++ b/sgl-kernel/pyproject_rocm.toml
@@ -9,7 +9,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sgl-kernel"
-version = "0.3.20"
+version = "0.3.21"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/sgl-kernel/python/sgl_kernel/version.py b/sgl-kernel/python/sgl_kernel/version.py
index 8b971c7c8..443462b78 100644
--- a/sgl-kernel/python/sgl_kernel/version.py
+++ b/sgl-kernel/python/sgl_kernel/version.py
@@ -1 +1 @@
-__version__ = "0.3.20"
+__version__ = "0.3.21"