diff --git a/moscow_dotnext_2019/4_dataloader/DataLoader.csproj b/moscow_dotnext_2019/4_dataloader/DataLoader.csproj
index 0bff1c1..42435be 100644
--- a/moscow_dotnext_2019/4_dataloader/DataLoader.csproj
+++ b/moscow_dotnext_2019/4_dataloader/DataLoader.csproj
@@ -20,7 +20,7 @@
     <PackageReference Include="HotChocolate.AspNetCore" Version="10.1.1" />
     <PackageReference Include="HotChocolate.Types.Filters" 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