diff --git a/tests/Tests.csproj b/tests/Tests.csproj
index a5a4a86..3d6b7fc 100644
--- a/tests/Tests.csproj
+++ b/tests/Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <ItemGroup>
-        <PackageReference Include="AutoFixture.AutoNSubstitute" Version="4.17.0" />
+        <PackageReference Include="AutoFixture.AutoNSubstitute" Version="4.18.1" />
         <PackageReference Include="AutoFixture.NUnit3" Version="4.17.0" />
         <PackageReference Include="FluentAssertions" Version="5.10.3" />
         <PackageReference Include="NSubstitute" Version="4.2.2" />