diff --git a/src/UnitTests/UnitTests.csproj b/src/UnitTests/UnitTests.csproj
index 63fddfdb..114a4b63 100644
--- a/src/UnitTests/UnitTests.csproj
+++ b/src/UnitTests/UnitTests.csproj
@@ -65,10 +65,6 @@
     <LangVersion>5</LangVersion>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.0.5813.39035, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\NUnit\lib\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Numerics" />
@@ -420,4 +416,11 @@
     <None Include="paket.references" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <Reference Include="nunit.framework">
+      <HintPath>..\..\packages\test\NUnit\lib\nunit.framework.dll</HintPath>
+      <Private>True</Private>
+      <Paket>True</Paket>
+    </Reference>
+  </ItemGroup>
 </Project>
\ No newline at end of file