diff --git a/cmake/external/onnxruntime_external_deps.cmake b/cmake/external/onnxruntime_external_deps.cmake
index 1b1e11c9772f9..ebf20ab21bbd2 100644
--- a/cmake/external/onnxruntime_external_deps.cmake
+++ b/cmake/external/onnxruntime_external_deps.cmake
@@ -301,6 +301,7 @@ if(NOT TARGET Boost::mp11)
     onnxruntime_fetchcontent_declare(
      mp11
      URL ${DEP_URL_mp11}
+     EXCLUDE_FROM_ALL
      FIND_PACKAGE_ARGS NAMES Boost
     )
     onnxruntime_fetchcontent_makeavailable(mp11)