diff --git a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
index dae103a..71d06e3 100644
--- a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
+++ b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
@@ -9,8 +9,8 @@
     <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="5.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageReference Include="Microsoft.OpenApi" Version="3.0.2" />
-    <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.0.2" />
+    <PackageReference Include="Microsoft.OpenApi" Version="3.3.1" />
+    <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.3.1" />
     <PackageReference Include="Reqnroll.TUnit" Version="3.3.1" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="TUnit" Version="1.9.81" />