diff --git a/api/BonchCalendar.csproj b/api/BonchCalendar.csproj
index 6c091eb..5de027c 100644
--- a/api/BonchCalendar.csproj
+++ b/api/BonchCalendar.csproj
@@ -7,7 +7,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="AngleSharp" Version="1.3.1" />
+		<PackageReference Include="AngleSharp" Version="1.4.0" />
 		<PackageReference Include="AspNetCore.HealthChecks.UI.Client" Version="9.0.0" />
 		<PackageReference Include="Ical.Net" Version="5.1.2" />
 		<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0" />