diff --git a/python/pyproject.toml b/python/pyproject.toml
index d5c2f3d6b703..d52c17000615 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
   "ninja",
   "easydict",  # Required by remote model code (e.g. DeepSeek-OCR) loaded via trust_remote_code; validated by transformers 5.4+ check_imports
   "numpy",
-  "nvidia-cutlass-dsl[cu13]==4.5.0",
+  "nvidia-cutlass-dsl[cu13]==4.5.1",
   "nvidia-ml-py",
   "openai-harmony==0.0.4",
   "openai==2.6.1",