diff --git a/src/NHibernate.Search.Tests/NHibernate.Search.Tests.csproj b/src/NHibernate.Search.Tests/NHibernate.Search.Tests.csproj
index 382cd91..e569f5e 100644
--- a/src/NHibernate.Search.Tests/NHibernate.Search.Tests.csproj
+++ b/src/NHibernate.Search.Tests/NHibernate.Search.Tests.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.17" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" PrivateAssets="All" />
     <PackageReference Include="System.Data.SQLite.Core" Version="1.0.118" />