diff --git a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
index bddcf25..2600a76 100644
--- a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
+++ b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.0.1" />
     <PackageReference Include="Reqnroll.TUnit" Version="3.2.1" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
-    <PackageReference Include="TUnit" Version="1.5.0" />
+    <PackageReference Include="TUnit" Version="1.5.6" />
   </ItemGroup>
 
   <ItemGroup>