diff --git a/src/SignalR/clients/cpp/src/signalrclient/Build/VS/signalrclient.vcxproj b/src/SignalR/clients/cpp/src/signalrclient/Build/VS/signalrclient.vcxproj
index 580a58da4f..c74fbdc9a9 100644
--- a/src/SignalR/clients/cpp/src/signalrclient/Build/VS/signalrclient.vcxproj
+++ b/src/SignalR/clients/cpp/src/signalrclient/Build/VS/signalrclient.vcxproj
@@ -12,7 +12,7 @@
     <OutDir>$(OutDir)lib\</OutDir>
     <IntDir>$(Configuration)\lib\</IntDir>
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="..\..\..\..\Build\Config.Definitions.props" />
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />