Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Ringtoets.ClosingStructures.IO.Test.csproj
===================================================================
diff -u -r5f48c2f099a9ffd0e55b86aea0b356a226a1918f -r3a60f4df420a7669a047880a924bf4a0ff67c265
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Ringtoets.ClosingStructures.IO.Test.csproj	(.../Ringtoets.ClosingStructures.IO.Test.csproj)	(revision 5f48c2f099a9ffd0e55b86aea0b356a226a1918f)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Ringtoets.ClosingStructures.IO.Test.csproj	(.../Ringtoets.ClosingStructures.IO.Test.csproj)	(revision 3a60f4df420a7669a047880a924bf4a0ff67c265)
@@ -75,6 +75,10 @@
       <Project>{3BBFD65B-B277-4E50-AE6D-BD24C3434609}</Project>
       <Name>Core.Common.Base</Name>
     </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>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.TestUtil\Core.Common.TestUtil.csproj">
       <Project>{D749EE4C-CE50-4C17-BF01-9A953028C126}</Project>
       <Name>Core.Common.TestUtil</Name>