diff --git a/src/NHibernate.Test.VisualBasic/NHibernate.Test.VisualBasic.vbproj b/src/NHibernate.Test.VisualBasic/NHibernate.Test.VisualBasic.vbproj
index e720221f895..9069feee8f6 100644
--- a/src/NHibernate.Test.VisualBasic/NHibernate.Test.VisualBasic.vbproj
+++ b/src/NHibernate.Test.VisualBasic/NHibernate.Test.VisualBasic.vbproj
@@ -27,11 +27,11 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="Microsoft.VisualBasic" Version="10.3.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="NUnitLite" Version="3.14.0" />
+    <PackageReference Include="NUnitLite" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\NHibernate\NHibernate.csproj" />
diff --git a/src/NHibernate.Test/NHibernate.Test.csproj b/src/NHibernate.Test/NHibernate.Test.csproj
index d012f9c1302..ca8c634d0de 100644
--- a/src/NHibernate.Test/NHibernate.Test.csproj
+++ b/src/NHibernate.Test/NHibernate.Test.csproj
@@ -70,7 +70,7 @@
     <PackageReference Include="System.Data.SQLite.Core" Version="1.0.117" />
     <PackageReference Include="System.Linq.Dynamic.Core" Version="1.3.14" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.1.0" />
     <PackageReference Include="NUnit.Analyzers" Version="4.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
@@ -95,7 +95,7 @@
     <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.140" />
     <PackageReference Include="System.Data.Odbc" Version="4.7.0" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
-    <PackageReference Include="NUnitLite" Version="3.14.0" />
+    <PackageReference Include="NUnitLite" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(NuGetPackageRoot)' != '' ">
     <NativeBinaries Include="$(NuGetPackageRoot)microsoft.sqlserver.compact\4.0.8876.1\NativeBinaries\**\*.*" />
diff --git a/src/NHibernate.TestDatabaseSetup/NHibernate.TestDatabaseSetup.csproj b/src/NHibernate.TestDatabaseSetup/NHibernate.TestDatabaseSetup.csproj
index 715af02ffb3..a2fcaeef9c2 100644
--- a/src/NHibernate.TestDatabaseSetup/NHibernate.TestDatabaseSetup.csproj
+++ b/src/NHibernate.TestDatabaseSetup/NHibernate.TestDatabaseSetup.csproj
@@ -15,11 +15,11 @@
     <ProjectReference Include="..\NHibernate.Test\NHibernate.Test.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="NUnitLite" Version="3.14.0" />
+    <PackageReference Include="NUnitLite" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />