diff --git a/TACTLib/TACTLib.csproj b/TACTLib/TACTLib.csproj
index 13ac5c0..f3297a7 100644
--- a/TACTLib/TACTLib.csproj
+++ b/TACTLib/TACTLib.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="CommunityToolkit.HighPerformance" Version="8.4.2" />
     <PackageReference Include="Google.Protobuf" Version="3.36.0" />
-    <PackageReference Include="MimeKitLite" Version="4.17.0" />
+    <PackageReference Include="MimeKitLite" Version="4.18.0" />
   </ItemGroup>
   <Target Name="SetSourceRevisionIdGit" BeforeTargets="BeforeBuild">
     <Exec Command="git describe --long --always --dirty --exclude=* --abbrev=8" ConsoleToMSBuild="True" IgnoreExitCode="False" ContinueOnError="True">