diff --git a/cluj_apexvox_2019/Introduction/4_dataloader/DataLoader.csproj b/cluj_apexvox_2019/Introduction/4_dataloader/DataLoader.csproj
index 2a8ff13..4a6bcde 100644
--- a/cluj_apexvox_2019/Introduction/4_dataloader/DataLoader.csproj
+++ b/cluj_apexvox_2019/Introduction/4_dataloader/DataLoader.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="HotChocolate.AspNetCore" Version="10.1.1" />
     <PackageReference Include="HotChocolate.AspNetCore.Playground" Version="10.1.1" />
-    <PackageReference Include="MongoDB.Driver" Version="2.7.3" />
+    <PackageReference Include="MongoDB.Driver" Version="2.19.0" />
   </ItemGroup>  
 
 </Project>
\ No newline at end of file