diff --git a/src/SenseNet.Tools/SenseNet.Tools.csproj b/src/SenseNet.Tools/SenseNet.Tools.csproj
index 50224ce..9423230 100644
--- a/src/SenseNet.Tools/SenseNet.Tools.csproj
+++ b/src/SenseNet.Tools/SenseNet.Tools.csproj
@@ -30,7 +30,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="MailKit" Version="4.9.0" />
+		<PackageReference Include="MailKit" Version="4.16.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Options" Version="9.0.0" />