diff --git a/dev-dotnet/gtk-sharp/metadata.xml b/dev-dotnet/gtk-sharp/metadata.xml
new file mode 100644
--- /dev/null
+++ b/dev-dotnet/gtk-sharp/metadata.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<herd>dotnet</herd>
+</pkgmetadata>