diff --git a/FileCurator/FileCurator.csproj b/FileCurator/FileCurator.csproj
index 1c12ba2..5c99f5f 100644
--- a/FileCurator/FileCurator.csproj
+++ b/FileCurator/FileCurator.csproj
@@ -47,7 +47,7 @@
 
   <ItemGroup>
     <PackageReference Include="BigBook" Version="6.2.0" />
-    <PackageReference Include="DocumentFormat.OpenXml" Version="3.4.1" />
+    <PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
     <PackageReference Include="HtmlAgilityPack" Version="1.12.4" />
     <PackageReference Include="MimeKit" Version="4.15.1" />
     <PackageReference Include="PdfPig" Version="0.1.13" />