diff --git a/src/Core/Core.csproj b/src/Core/Core.csproj
index 54a8a0483fb2..68c4cfe00077 100644
--- a/src/Core/Core.csproj
+++ b/src/Core/Core.csproj
@@ -38,7 +38,7 @@
     <PackageReference Include="DnsClient" Version="1.8.0" />
     <PackageReference Include="Fido2.AspNet" Version="3.0.1" />
     <PackageReference Include="Handlebars.Net" Version="2.1.6" />
-    <PackageReference Include="MailKit" Version="4.14.1" />
+    <PackageReference Include="MailKit" Version="4.15.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.10" />
     <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.52.0" />
     <PackageReference Include="Microsoft.Azure.NotificationHubs" Version="4.2.0" />