diff --git a/tools/nuget/validate_package.py b/tools/nuget/validate_package.py
index a9996b2779d1..daa96cc72e98 100644
--- a/tools/nuget/validate_package.py
+++ b/tools/nuget/validate_package.py
@@ -25,17 +25,20 @@
     "cpu_provider_factory.h",
     "onnxruntime_c_api.h",
     "onnxruntime_cxx_api.h",
+    "onnxruntime_float16.h",
     "onnxruntime_cxx_inline.h",
 ]
 dmlep_related_header_files = [
     "cpu_provider_factory.h",
     "onnxruntime_c_api.h",
     "onnxruntime_cxx_api.h",
+    "onnxruntime_float16.h",
     "onnxruntime_cxx_inline.h",
     "dml_provider_factory.h",
 ]
 training_related_header_files = [
     "onnxruntime_c_api.h",
+    "onnxruntime_float16.h",
     "onnxruntime_cxx_api.h",
     "onnxruntime_cxx_inline.h",
     "onnxruntime_training_c_api.h",