diff --git a/src/UnityNuGet.Tests/UnityNuGet.Tests.csproj b/src/UnityNuGet.Tests/UnityNuGet.Tests.csproj
index 96e44cdd..47bf014f 100644
--- a/src/UnityNuGet.Tests/UnityNuGet.Tests.csproj
+++ b/src/UnityNuGet.Tests/UnityNuGet.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="nunit" Version="3.14.0" />
+    <PackageReference Include="nunit" Version="4.0.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
   </ItemGroup>