diff --git a/Directory.Packages.props b/Directory.Packages.props
index fa5a76d..b504908 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -20,7 +20,7 @@
     <PackageVersion Include="SwashBuckle.AspNetCore" Version="8.1.1" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.9" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
-    <PackageVersion Include="Microsoft.OpenApi" Version="1.6.24" />
+    <PackageVersion Include="Microsoft.OpenApi" Version="2.3.4" />
     <PackageVersion Include="xunit.v3" Version="3.1.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
diff --git a/samples/Sample.Carter.Cache.Memcached.Application/Sample.Carter.Cache.Memcached.Application.csproj b/samples/Sample.Carter.Cache.Memcached.Application/Sample.Carter.Cache.Memcached.Application.csproj
index 4436ef1..0ee31e9 100644
--- a/samples/Sample.Carter.Cache.Memcached.Application/Sample.Carter.Cache.Memcached.Application.csproj
+++ b/samples/Sample.Carter.Cache.Memcached.Application/Sample.Carter.Cache.Memcached.Application.csproj
@@ -27,6 +27,7 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.OpenApi" />
     <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
       <_Parameter1>Carter.Cache.Sample.Memcached.Tests</_Parameter1>
     </AssemblyAttribute>
diff --git a/samples/Sample.Carter.Cache.Redis.Application/Sample.Carter.Cache.Redis.Application.csproj b/samples/Sample.Carter.Cache.Redis.Application/Sample.Carter.Cache.Redis.Application.csproj
index a89393b..3f413e5 100644
--- a/samples/Sample.Carter.Cache.Redis.Application/Sample.Carter.Cache.Redis.Application.csproj
+++ b/samples/Sample.Carter.Cache.Redis.Application/Sample.Carter.Cache.Redis.Application.csproj
@@ -28,6 +28,7 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.OpenApi" />
     <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
       <_Parameter1>Carter.Cache.Sample.Redis.Tests</_Parameter1>
     </AssemblyAttribute>