diff --git a/src/Core/Core.csproj b/src/Core/Core.csproj
index 3e77b5d10..158905e7c 100644
--- a/src/Core/Core.csproj
+++ b/src/Core/Core.csproj
@@ -33,7 +33,7 @@
     <PackageReference Include="DnsClient" Version="1.7.0" />
     <PackageReference Include="Fido2.AspNet" Version="3.0.1" />
     <PackageReference Include="Handlebars.Net" Version="2.1.4" />
-    <PackageReference Include="MailKit" Version="4.4.0" />
+    <PackageReference Include="MailKit" Version="4.5.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.25" />
     <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.38.0" />
     <PackageReference Include="Microsoft.Azure.NotificationHubs" Version="4.2.0" />