diff --git a/python/pyproject.toml b/python/pyproject.toml
index e69ae38a5..5e9d998d1 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -59,7 +59,7 @@ dependencies = [
   "scipy",
   "sentencepiece",
   "setproctitle",
-  "sgl-fa4==4.0.4",
+  "sgl-fa4==4.0.5",
   "sgl-kernel==0.3.21",
   "soundfile==0.13.1",
   "tiktoken",