diff --git a/.gitmodules b/.gitmodules
index bdd5d5ca4d..6e9b10efa4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,4 +7,4 @@
 	branch = perspex-pcl
 [submodule "src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github"]
 	path = src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
-	url = https://github.com/cwensley/Portable.Xaml.git
+	url = https://github.com/AvaloniaUI/Portable.Xaml.git
diff --git a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
index d50730ab59..dc333ff66e 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 d50730ab59aed99cd2f8aeb4975fcc19d23bb54f
+Subproject commit dc333ff66eb1fdd8565e9b831718791675ec569b