Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/Ringtoets.HeightStructures.Service.csproj
===================================================================
diff -u -r23d1e296e2da4364fbfe346e68d582dfcf966bb0 -rffe6f47c5c38e57f5c0c0d9c699c88ac6c818e7c
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/Ringtoets.HeightStructures.Service.csproj	(.../Ringtoets.HeightStructures.Service.csproj)	(revision 23d1e296e2da4364fbfe346e68d582dfcf966bb0)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/Ringtoets.HeightStructures.Service.csproj	(.../Ringtoets.HeightStructures.Service.csproj)	(revision ffe6f47c5c38e57f5c0c0d9c699c88ac6c818e7c)
@@ -59,6 +59,11 @@
       <Name>Core.Common.Base</Name>
       <Private>False</Private>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\..\Core\Common\src\Core.Common.IO\Core.Common.IO.csproj">
+      <Project>{E344867E-9AC9-44C8-88A5-8185681679A9}</Project>
+      <Name>Core.Common.IO</Name>
+      <Private>False</Private>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Common\src\Ringtoets.Common.Data\Ringtoets.Common.Data.csproj">
       <Project>{D4200F43-3F72-4F42-AF0A-8CED416A38EC}</Project>
       <Name>Ringtoets.Common.Data</Name>