diff --git a/renderer/html/html.go b/renderer/html/html.go
index 3e6c005..6359a20 100644
--- a/renderer/html/html.go
+++ b/renderer/html/html.go
@@ -198,16 +198,26 @@ func (r *Renderer) writeLines(w util.BufWriter, source []byte, n ast.Node) {
 var GlobalAttributeFilter = util.NewBytesFilter(
 	[]byte("accesskey"),
 	[]byte("autocapitalize"),
+	[]byte("autofocus"),
 	[]byte("class"),
 	[]byte("contenteditable"),
 	[]byte("contextmenu"),
 	[]byte("dir"),
 	[]byte("draggable"),
 	[]byte("dropzone"),
+	[]byte("enterkeyhint"),
 	[]byte("hidden"),
 	[]byte("id"),
+	[]byte("inert"),
+	[]byte("inputmode"),
+	[]byte("is"),
+	[]byte("itemid"),
 	[]byte("itemprop"),
+	[]byte("itemref"),
+	[]byte("itemscope"),
+	[]byte("itemtype"),
 	[]byte("lang"),
+	[]byte("part"),
 	[]byte("slot"),
 	[]byte("spellcheck"),
 	[]byte("style"),