diff --git a/src/NzbDrone.Core/Prowlarr.Core.csproj b/src/NzbDrone.Core/Prowlarr.Core.csproj
index 2e081ce26..fae8e0d2e 100644
--- a/src/NzbDrone.Core/Prowlarr.Core.csproj
+++ b/src/NzbDrone.Core/Prowlarr.Core.csproj
@@ -6,7 +6,7 @@
     <PackageReference Include="AngleSharp.Xml" Version="0.17.0" />
     <PackageReference Include="Dapper" Version="2.0.123" />
     <PackageReference Include="FluentMigrator.Runner" Version="3.3.2" />
-    <PackageReference Include="MailKit" Version="3.3.0" />
+    <PackageReference Include="MailKit" Version="3.4.1" />
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageReference Include="NLog.Targets.Syslog" Version="7.0.0" />
     <PackageReference Include="Npgsql" Version="5.0.11" />