diff --git a/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj b/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
index db92a174..c3d668c5 100644
--- a/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
+++ b/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="CommonServiceLocator" Version="2.0.2" />
     <PackageReference Include="MvvmLightLibs" Version="5.4.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="System.Management" Version="4.6.0-preview9.19421.4" />
+    <PackageReference Include="System.Management" Version="4.6.0-rc1.19456.4" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\..\Shared\HandyControlDemo_Shared\Data\MessageToken.cs">