diff --git a/src/Ankh.VS.UnitTest/Ankh.VS.UnitTest.csproj b/src/Ankh.VS.UnitTest/Ankh.VS.UnitTest.csproj
index 7b4010300..066a5e005 100644
--- a/src/Ankh.VS.UnitTest/Ankh.VS.UnitTest.csproj
+++ b/src/Ankh.VS.UnitTest/Ankh.VS.UnitTest.csproj
@@ -110,7 +110,7 @@
     <PackageReference Include="Microsoft.VSSDK.UnitTestLibrary" Version="14.3.25407" />
     <PackageReference Include="Moq" Version="4.20.69" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="4.0.1" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>