diff --git a/backend/Backend/Backend.csproj b/backend/Backend/Backend.csproj
index a09d9a4..6ee2fe8 100644
--- a/backend/Backend/Backend.csproj
+++ b/backend/Backend/Backend.csproj
@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="AngleSharp" Version="1.5.0" />
     <PackageReference Include="Markdig" Version="1.3.2" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.9" />
     <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="10.0.9" />