diff --git a/test/LibYear.Core.Tests/LibYear.Core.Tests.csproj b/test/LibYear.Core.Tests/LibYear.Core.Tests.csproj
index 9981ec0..3c89072 100644
--- a/test/LibYear.Core.Tests/LibYear.Core.Tests.csproj
+++ b/test/LibYear.Core.Tests/LibYear.Core.Tests.csproj
@@ -7,7 +7,7 @@
 	<ItemGroup>
 		<PackageReference Include="coverlet.collector" Version="6.0.2" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-		<PackageReference Include="NSubstitute" Version="5.1.0" />
+		<PackageReference Include="NSubstitute" Version="5.3.0" />
 		<PackageReference Include="NuGet.Protocol" Version="6.11.1" />
 		<PackageReference Include="System.IO.Abstractions" Version="21.0.29" />
 		<PackageReference Include="xunit" Version="2.9.2" />
diff --git a/test/LibYear.Tests/LibYear.Tests.csproj b/test/LibYear.Tests/LibYear.Tests.csproj
index b135129..d1e568e 100644
--- a/test/LibYear.Tests/LibYear.Tests.csproj
+++ b/test/LibYear.Tests/LibYear.Tests.csproj
@@ -7,7 +7,7 @@
 	<ItemGroup>
 		<PackageReference Include="coverlet.collector" Version="6.0.2" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-		<PackageReference Include="NSubstitute" Version="5.1.0" />
+		<PackageReference Include="NSubstitute" Version="5.3.0" />
 		<PackageReference Include="Spectre.Console.Testing" Version="0.49.1" />
 		<PackageReference Include="xunit" Version="2.9.2" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />