diff --git a/oldsrc/acgalleryapi/acgalleryapi.csproj b/oldsrc/acgalleryapi/acgalleryapi.csproj
index 02d94fe..bb6e9b5 100644
--- a/oldsrc/acgalleryapi/acgalleryapi.csproj
+++ b/oldsrc/acgalleryapi/acgalleryapi.csproj
@@ -40,7 +40,7 @@
   <ItemGroup>
     <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="7.8.0" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="2.6.0" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.4" />
   </ItemGroup>