diff --git a/GraphMailRelay/GraphMailRelay.csproj b/GraphMailRelay/GraphMailRelay.csproj
index 986c4b2..bcb3ad7 100644
--- a/GraphMailRelay/GraphMailRelay.csproj
+++ b/GraphMailRelay/GraphMailRelay.csproj
@@ -19,7 +19,7 @@
 		<PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.3" />
 		<PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="10.0.3" />
 		<PackageReference Include="Microsoft.Graph" Version="5.103.0" />
-		<PackageReference Include="MimeKit" Version="4.15.0" />
+		<PackageReference Include="MimeKit" Version="4.15.1" />
 		<PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.15.0" />
 		<PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.15.0" />
 		<PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.15.0" />