diff --git a/Duffel.ApiClient.Tests/Duffel.ApiClient.Tests.csproj b/Duffel.ApiClient.Tests/Duffel.ApiClient.Tests.csproj
index 0834fb5..35d1238 100644
--- a/Duffel.ApiClient.Tests/Duffel.ApiClient.Tests.csproj
+++ b/Duffel.ApiClient.Tests/Duffel.ApiClient.Tests.csproj
@@ -12,7 +12,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
         <PackageReference Include="NFluent" Version="3.0.3" />
-        <PackageReference Include="NUnit" Version="4.0.1" />
+        <PackageReference Include="NUnit" Version="4.1.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
         <PackageReference Include="coverlet.collector" Version="6.0.1" />
     </ItemGroup>