diff --git a/hanfile_test/hanfile_test.csproj b/hanfile_test/hanfile_test.csproj
index 8e2b047..dda39d5 100644
--- a/hanfile_test/hanfile_test.csproj
+++ b/hanfile_test/hanfile_test.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.0-preview1-19509-03" />
     <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="5.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="5.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="5.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.4.0" />
   </ItemGroup>
 
 </Project>