diff --git a/Directory.Build.Props b/Directory.Build.Props
index 5972803c0..df3e8e588 100644
--- a/Directory.Build.Props
+++ b/Directory.Build.Props
@@ -59,7 +59,7 @@
       <LanguageStandard Condition="'$(CppWinRTLanguageStandard)'=='20'">stdcpp20</LanguageStandard>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
-      <PreprocessorDefinitions>CPPWINRT_VERSION_STRING="$(CppWinRTBuildVersion)";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CPPWINRT_VERSION_STRING="$(CppWinRTBuildVersion)";_SILENCE_EXPERIMENTAL_COROUTINE_DEPRECATION_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessorDefinitions Condition="'$(TestsUseAnsiColor)'=='1'">CATCH_CONFIG_COLOUR_ANSI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <AdditionalOptions>/bigobj</AdditionalOptions>