diff --git a/spy/Spy.vcxproj b/spy/Spy.vcxproj
index 88117cd..2c78b33 100644
--- a/spy/Spy.vcxproj
+++ b/spy/Spy.vcxproj
@@ -107,7 +107,7 @@
$(SolutionDir)rpc;$(SolutionDir)rpc\nanopb;$(SolutionDir)rpc\proto;$(SolutionDir)spy;C:\Tools\vcpkg\installed\x86-windows-static\include
- 4251;4819
+ 4251;4731;4819
MultiThreaded
stdcpp17
/EHa %(AdditionalOptions)
@@ -153,7 +153,7 @@ $(SolutionDir)rpc\tool\protoc --nanopb_out=. wcf.proto
$(SolutionDir)rpc;$(SolutionDir)rpc\nanopb;$(SolutionDir)rpc\proto;$(SolutionDir)spy;C:\Tools\vcpkg\installed\x86-windows-static\include
- 4251;4819
+ 4251;4731;4819
MultiThreaded
stdcpp17