diff --git a/python/pyproject.toml b/python/pyproject.toml
index 621fa65cee9..d2d9ad047ff 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -46,7 +46,7 @@ runtime_common = [
 
 srt = [
     "sglang[runtime_common]",
-    "sgl-kernel==0.0.5.post3",
+    "sgl-kernel==0.0.5.post4",
     "flashinfer_python==0.2.3",
     "torch==2.5.1",
     "cuda-python",
diff --git a/scripts/ci_install_dependency.sh b/scripts/ci_install_dependency.sh
index 38197b274cb..3f397aea788 100755
--- a/scripts/ci_install_dependency.sh
+++ b/scripts/ci_install_dependency.sh
@@ -15,7 +15,7 @@ pip install -e "python[all]" --find-links https://flashinfer.ai/whl/cu124/torch2
 rm -rf /root/.cache/flashinfer
 # Force reinstall flashinfer and torch_memory_saver
 pip install flashinfer_python==0.2.3 --find-links ${FLASHINFER_REPO} --force-reinstall --no-deps
-pip install sgl-kernel==0.0.5.post3 --force-reinstall
+pip install sgl-kernel==0.0.5.post4 --force-reinstall
 
 pip install torch_memory_saver
 pip install transformers==4.50.0 sentence_transformers accelerate==1.4.0 peft pandas datasets timm