diff --git a/ProjectMakoto/ProjectMakoto.csproj b/ProjectMakoto/ProjectMakoto.csproj
index a239da78..040172a4 100644
--- a/ProjectMakoto/ProjectMakoto.csproj
+++ b/ProjectMakoto/ProjectMakoto.csproj
@@ -44,7 +44,7 @@
     <PackageReference Include="FFMpegCore" Version="5.1.0" />
     <PackageReference Include="GenHTTP.Core" Version="9.6.0" />
     <PackageReference Include="GenHTTP.Modules.StaticWebsites" Version="9.6.0" />
-    <PackageReference Include="HtmlSanitizer" Version="8.1.870" />
+    <PackageReference Include="HtmlSanitizer" Version="9.0.876" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.Scripting" Version="4.12.0" />
     <PackageReference Include="MySqlConnector" Version="2.4.0" />