diff --git a/samples/server/petstore/aspnetcore-3.1/src/Org.OpenAPITools/Org.OpenAPITools.csproj b/samples/server/petstore/aspnetcore-3.1/src/Org.OpenAPITools/Org.OpenAPITools.csproj
index b366d930680a..56e80408de1f 100644
--- a/samples/server/petstore/aspnetcore-3.1/src/Org.OpenAPITools/Org.OpenAPITools.csproj
+++ b/samples/server/petstore/aspnetcore-3.1/src/Org.OpenAPITools/Org.OpenAPITools.csproj
@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.0"/>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.10.8" />
     <PackageReference Include="Swashbuckle.AspNetCore.Newtonsoft" Version="5.0.0"/>
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="5.0.0"/>
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.3.0"/>
     <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="5.0.0" />
     <PackageReference Include="JsonSubTypes" Version="1.8.0" />
   </ItemGroup>