diff --git a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
index 8abbe09592..31ea8e6900 160000
--- a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
+++ b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
@@ -1 +1 @@
-Subproject commit 8abbe09592668efb573ac4d5548ba2d7e464ba78
+Subproject commit 31ea8e6900d859a8d1bf45972954b075d2a59f30