diff --git a/YoutubeExplode/Utils/Html.cs b/YoutubeExplode/Utils/Html.cs
index b060a24e..9ee330d3 100644
--- a/YoutubeExplode/Utils/Html.cs
+++ b/YoutubeExplode/Utils/Html.cs
@@ -5,7 +5,10 @@ namespace YoutubeExplode.Utils;
 
 internal static class Html
 {
-    private static readonly HtmlParser HtmlParser = new();
-
-    public static IHtmlDocument Parse(string source) => HtmlParser.ParseDocument(source);
+    // A new HtmlParser instance must be created for each call to avoid thread safety issues
+    // when multiple YoutubeClient instances are used concurrently. HtmlParser is not thread-safe
+    // and sharing a single static instance causes corruption errors (InvalidOperationException)
+    // in AngleSharp's internal collections.
+    // https://github.com/Tyrrrz/YoutubeExplode/issues/955
+    public static IHtmlDocument Parse(string source) => new HtmlParser().ParseDocument(source);
 }