diff --git a/seedtable/seedtable.csproj b/seedtable/seedtable.csproj
index c05cefa..3e89472 100644
--- a/seedtable/seedtable.csproj
+++ b/seedtable/seedtable.csproj
@@ -23,7 +23,7 @@
       <Version>2.8.0</Version>
     </PackageReference>
     <PackageReference Include="DocumentFormat.OpenXml">
-      <Version>2.11.0</Version>
+      <Version>2.12.3</Version>
     </PackageReference>
     <PackageReference Include="EPPlus">
       <Version>4.5.3.3</Version>