diff --git a/anbs_cp/Classes/FileExtensions.cs b/anbs_cp/Classes/FileExtensions.cs
index 7dee49b..87ae1ef 100644
--- a/anbs_cp/Classes/FileExtensions.cs
+++ b/anbs_cp/Classes/FileExtensions.cs
@@ -2,8 +2,6 @@
 
 using Microsoft.AspNetCore.Http;
 
-using MimeKit;
-
 namespace anbs_cp.Classes;
 
 /// <summary>
diff --git a/anbs_cp/anbs_cp.csproj b/anbs_cp/anbs_cp.csproj
index b3ae293..4949877 100644
--- a/anbs_cp/anbs_cp.csproj
+++ b/anbs_cp/anbs_cp.csproj
@@ -40,7 +40,10 @@
     <PackageReference Include="Microsoft.AspNetCore.Html.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="5.0.17" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.Interop" Version="17.4.33103.184" />
-    <PackageReference Include="MimeKitLite" Version="3.4.3" />
+    <PackageReference Include="MimeTypes" Version="2.4.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
 </Project>