diff --git a/python/pyproject.toml b/python/pyproject.toml
index 80cc0e9dc..97e0771cd 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -27,7 +27,7 @@ runtime_common = [
 ]
 srt = [
     "sglang[runtime_common]", "cuda-python",
-    "sgl-kernel>=0.0.2.post14", "torch", "vllm==0.6.4.post1",
+    "sgl-kernel>=0.0.2.post18", "torch", "vllm==0.6.4.post1",
     "flashinfer==0.1.6"
 ]