Index: Ringtoets/Demo/test/Ringtoets.Demo.Test/Ringtoets.Demo.Test.csproj
===================================================================
diff -u -r7a8e3d1718cb12c53c2b0573b056037ed02e9913 -r95837098c8fbc25212797c64431f6f16496814b3
--- Ringtoets/Demo/test/Ringtoets.Demo.Test/Ringtoets.Demo.Test.csproj	(.../Ringtoets.Demo.Test.csproj)	(revision 7a8e3d1718cb12c53c2b0573b056037ed02e9913)
+++ Ringtoets/Demo/test/Ringtoets.Demo.Test/Ringtoets.Demo.Test.csproj	(.../Ringtoets.Demo.Test.csproj)	(revision 95837098c8fbc25212797c64431f6f16496814b3)
@@ -89,6 +89,10 @@
       <Project>{ce994cc9-6f6a-48ac-b4be-02c30a21f4db}</Project>
       <Name>Ringtoets.Piping.Data</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Piping\src\Ringtoets.Piping.IO\Ringtoets.Piping.IO.csproj">
+      <Project>{35b87b7a-7f50-4139-b563-589ee522b1ed}</Project>
+      <Name>Ringtoets.Piping.IO</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Piping\src\Ringtoets.Piping.Service\Ringtoets.Piping.Service.csproj">
       <Project>{10B8D63D-87E8-46DF-ACA9-A8CF22EE8FB5}</Project>
       <Name>Ringtoets.Piping.Service</Name>