diff --git a/FileCurator/FileCurator.csproj b/FileCurator/FileCurator.csproj
index fdcb09eb..ba4864f9 100644
--- a/FileCurator/FileCurator.csproj
+++ b/FileCurator/FileCurator.csproj
@@ -49,7 +49,7 @@
     <PackageReference Include="BigBook" Version="6.2.0" />
     <PackageReference Include="DocumentFormat.OpenXml" Version="3.4.1" />
     <PackageReference Include="HtmlAgilityPack" Version="1.12.4" />
-    <PackageReference Include="MimeKit" Version="4.14.0" />
+    <PackageReference Include="MimeKit" Version="4.15.0" />
     <PackageReference Include="PdfPig" Version="0.1.13" />
     <PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
     <PackageReference Include="System.Net.Requests" Version="4.3.0" />