diff --git a/optimum/utils/import_utils.py b/optimum/utils/import_utils.py
index 54f4f22709..de3bc3ed2b 100644
--- a/optimum/utils/import_utils.py
+++ b/optimum/utils/import_utils.py
@@ -112,6 +112,7 @@ def _is_package_available(
         "onnxruntime-tvm",
         "onnxruntime-qnn",
         "onnxruntime-migraphx",
+        "onnxruntime-windowsml",
         "ort-migraphx-nightly",
         "ort-rocm-nightly",
     ],