diff --git a/DigitalLearningSolutions.Data/DigitalLearningSolutions.Data.csproj b/DigitalLearningSolutions.Data/DigitalLearningSolutions.Data.csproj
index e9c2c94cc0..1493bf469d 100644
--- a/DigitalLearningSolutions.Data/DigitalLearningSolutions.Data.csproj
+++ b/DigitalLearningSolutions.Data/DigitalLearningSolutions.Data.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="ClosedXML" Version="0.95.4" />
+    <PackageReference Include="ClosedXML" Version="0.104.1" />
     <PackageReference Include="Dapper" Version="2.1.24" />
     <PackageReference Include="Dapper.FluentMap" Version="2.0.0" />
     <PackageReference Include="Freshdesk.Api" Version="0.13.6" />