diff --git a/tests/Tenantry.EfCore.Tests/Tenantry.EfCore.Tests.csproj b/tests/Tenantry.EfCore.Tests/Tenantry.EfCore.Tests.csproj
index 8222c39..e64a318 100644
--- a/tests/Tenantry.EfCore.Tests/Tenantry.EfCore.Tests.csproj
+++ b/tests/Tenantry.EfCore.Tests/Tenantry.EfCore.Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Condition="'$(TargetFramework)' == 'net9.0'" Include="Microsoft.EntityFrameworkCore.Sqlite" Version="[9.0.0, 10.0.0)" />
     <PackageReference Condition="'$(TargetFramework)' == 'net10.0'" Include="Microsoft.EntityFrameworkCore.Sqlite" Version="[10.0.0, 11.0.0)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
-    <PackageReference Include="NSubstitute" Version="5.3.0" />
+    <PackageReference Include="NSubstitute" Version="6.0.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>