diff --git a/SimpleIdp.csproj b/SimpleIdp.csproj
index e69bc2b..a6e580b 100644
--- a/SimpleIdp.csproj
+++ b/SimpleIdp.csproj
@@ -11,7 +11,7 @@
 		<PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="2.1.175" />
 	</ItemGroup>
 	<ItemGroup>
-	  <Content Include="config\idp-config.json">
+	  <Content Update="config\idp-config.json">
 	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 	  </Content>
 	</ItemGroup>