diff --git a/src/ExcelToA5er.csproj b/src/ExcelToA5er.csproj
index fe72db2..2018b97 100644
--- a/src/ExcelToA5er.csproj
+++ b/src/ExcelToA5er.csproj
@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="ClosedXML" Version="0.97.0" />
+    <PackageReference Include="ClosedXML" Version="0.100.3" />
     <PackageReference Include="DocumentFormat.OpenXml" Version="2.19.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>