diff --git a/.github/workflows/release-pypi-kernel.yml b/.github/workflows/release-pypi-kernel.yml
index 466f2bdc7..1b925b772 100644
--- a/.github/workflows/release-pypi-kernel.yml
+++ b/.github/workflows/release-pypi-kernel.yml
@@ -18,8 +18,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
-        cuda-version: ['12.1']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
+        cuda-version: ['12.4']
 
     steps:
     - uses: actions/checkout@v4
diff --git a/sgl-kernel/pyproject.toml b/sgl-kernel/pyproject.toml
index 11e9880a5..eecf68b37 100644
--- a/sgl-kernel/pyproject.toml
+++ b/sgl-kernel/pyproject.toml
@@ -7,7 +7,7 @@ name = "sgl-kernel"
 version = "0.0.2.post15"
 description = "Kernel Library for SGLang"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = { file = "LICENSE" }
 classifiers = [
   "Programming Language :: Python :: 3",