diff --git a/preloaded-classes b/preloaded-classes
index 7dc5a256bb87e..a72a04272cbac 100644
--- a/preloaded-classes
+++ b/preloaded-classes
@@ -3919,6 +3919,18 @@ org.apache.http.message.BasicHeader
 org.apache.http.message.BasicHttpResponse
 org.apache.http.message.BasicStatusLine
 org.apache.http.message.HeaderGroup
+org.ccil.cowan.tagsoup.AttributesImpl
+org.ccil.cowan.tagsoup.AutoDetector
+org.ccil.cowan.tagsoup.Element
+org.ccil.cowan.tagsoup.ElementType
+org.ccil.cowan.tagsoup.HTMLModels
+org.ccil.cowan.tagsoup.HTMLScanner
+org.ccil.cowan.tagsoup.HTMLSchema
+org.ccil.cowan.tagsoup.Parser
+org.ccil.cowan.tagsoup.Parser$1
+org.ccil.cowan.tagsoup.ScanHandler
+org.ccil.cowan.tagsoup.Scanner
+org.ccil.cowan.tagsoup.Schema
 org.json.JSON
 org.json.JSONArray
 org.json.JSONException