Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/Ringtoets.Piping.Plugin.Test.csproj
===================================================================
diff -u -ra1fa1538918813373bcc864f0bce092bf28fd0ce -r7371a70ed0751d341d41a7b951b780d286f83791
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/Ringtoets.Piping.Plugin.Test.csproj	(.../Ringtoets.Piping.Plugin.Test.csproj)	(revision a1fa1538918813373bcc864f0bce092bf28fd0ce)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/Ringtoets.Piping.Plugin.Test.csproj	(.../Ringtoets.Piping.Plugin.Test.csproj)	(revision 7371a70ed0751d341d41a7b951b780d286f83791)
@@ -41,6 +41,10 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="log4net, Version=1.2.14.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\log4net.2.0.4\lib\net40-full\log4net.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\NUnit.3.8.1\lib\net40\nunit.framework.dll</HintPath>
       <Private>True</Private>