diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4cc092f1e..b3e352d41 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,7 +11,7 @@ ARG GRACE_BLACKWELL_DEEPEP_BRANCH=gb200_blog_part_2
 ARG HOPPER_SBO_DEEPEP_COMMIT=9f2fc4b3182a51044ae7ecb6610f7c9c3258c4d6
 ARG DEEPEP_COMMIT=9af0e0d0e74f3577af1979c9b9e1ac2cad0104ee
 ARG BUILD_AND_DOWNLOAD_PARALLEL=8
-ARG SGL_KERNEL_VERSION=0.4.0
+ARG SGL_KERNEL_VERSION=0.4.1
 ARG SGL_VERSION
 ARG USE_LATEST_SGLANG=0
 ARG GDRCOPY_VERSION=2.5.1
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 7510b4391..5ca83a688 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -58,7 +58,7 @@ dependencies = [
   "sentencepiece",
   "setproctitle",
   "flash-attn-4>=4.0.0b4",
-  "sglang-kernel==0.4.0",
+  "sglang-kernel==0.4.1",
   "soundfile==0.13.1",
   "tiktoken",
   "timm==1.0.16",
diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 30480ed01..9975fa33d 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -1207,7 +1207,7 @@ def _set_envs_and_config(server_args: ServerArgs):
         if _is_cuda:
             assert_pkg_version(
                 "sglang-kernel",
-                "0.4.0",
+                "0.4.1",
                 "Please reinstall the latest version with `pip install sglang-kernel --force-reinstall`",
             )