diff --git a/benchmarks/Zetian.Compare.Benchmarks/Zetian.Compare.Benchmarks.csproj b/benchmarks/Zetian.Compare.Benchmarks/Zetian.Compare.Benchmarks.csproj
index 0d30277..898348d 100644
--- a/benchmarks/Zetian.Compare.Benchmarks/Zetian.Compare.Benchmarks.csproj
+++ b/benchmarks/Zetian.Compare.Benchmarks/Zetian.Compare.Benchmarks.csproj
@@ -15,8 +15,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="MailKit" Version="4.15.0" />
-        <PackageReference Include="MimeKit" Version="4.15.0" />
+        <PackageReference Include="MailKit" Version="4.16.0" />
+        <PackageReference Include="MimeKit" Version="4.16.0" />
         <PackageReference Include="SmtpServer" Version="11.1.0" />
         <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
     </ItemGroup>