Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Ringtoets.Integration.Plugin.Test.csproj
===================================================================
diff -u -r67f00525a936aea1e50ca2df368c1ae71d88417e -r27e5197a81bb42ec0c00d4345ebca38815506a02
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Ringtoets.Integration.Plugin.Test.csproj	(.../Ringtoets.Integration.Plugin.Test.csproj)	(revision 67f00525a936aea1e50ca2df368c1ae71d88417e)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Ringtoets.Integration.Plugin.Test.csproj	(.../Ringtoets.Integration.Plugin.Test.csproj)	(revision 27e5197a81bb42ec0c00d4345ebca38815506a02)
@@ -38,6 +38,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SQLite.EF6, Version=1.0.106.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\System.Data.SQLite.EF6.1.0.106.0\lib\net40\System.Data.SQLite.EF6.dll</HintPath>