Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj
===================================================================
diff -u -re46fd2b67241ff5a016d418c35c830ed69fc3b46 -r6dabda60eb5cbcdc4854eb629047acb015290281
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj)	(revision e46fd2b67241ff5a016d418c35c830ed69fc3b46)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj)	(revision 6dabda60eb5cbcdc4854eb629047acb015290281)
@@ -7,8 +7,8 @@
   </PropertyGroup>
   <Import Project="$(SolutionDir)\build\Ringtoets_Test.targets" />
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.9.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\..\..\..\packages\NUnit.3.9.0\lib\net40\nunit.framework.dll</HintPath>
+    <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>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config
===================================================================
diff -u -rac3bbab8cdfee2bee4faeea59a40240e79c20d33 -r6dabda60eb5cbcdc4854eb629047acb015290281
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config	(.../packages.config)	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config	(.../packages.config)	(revision 6dabda60eb5cbcdc4854eb629047acb015290281)
@@ -22,5 +22,5 @@
 -->
 
 <packages>
-  <package id="NUnit" version="3.9.0" targetFramework="net40" />
+  <package id="NUnit" version="3.8.1" targetFramework="net40" />
 </packages>
\ No newline at end of file