diff --git a/src/MkartLogistics.Core/MkartLogistics.Core.csproj b/src/MkartLogistics.Core/MkartLogistics.Core.csproj
index 21e25f5..287fa95 100644
--- a/src/MkartLogistics.Core/MkartLogistics.Core.csproj
+++ b/src/MkartLogistics.Core/MkartLogistics.Core.csproj
@@ -10,10 +10,10 @@
   <ItemGroup>
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.0" />
-    <PackageReference Include="MimeKit" Version="2.1.3" />
+    <PackageReference Include="MimeKit" Version="4.16.0" />
     <PackageReference Include="BouncyCastle.NetCore" Version="1.8.8" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="5.0.0" />
-    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="5.0.0" />
+    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="8.0.1" />
     <PackageReference Include="SharpZipLib" Version="1.1.0" />
   </ItemGroup>