diff --git a/dev-python/kaitaistruct/metadata.xml b/dev-python/kaitaistruct/metadata.xml
index 97c6505eb5cfa..65d46603f1590 100644
--- a/dev-python/kaitaistruct/metadata.xml
+++ b/dev-python/kaitaistruct/metadata.xml
@@ -1,6 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<!-- maintainer-needed -->
-	</pkgmetadata>
+	<maintainer type="person">
+		<email>matt@offtopica.uk</email>
+		<name>Matt Smith</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<longdescription lang="en">
+		Kaitai Struct is a declarative language used for
+		describe various binary data structures, laid out in
+		files or in memory: i.e. binary file formats, network
+		stream packet formats, etc.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">kaitai-io/kaitai_struct_python_runtime</remote-id>
+		<remote-id type="pypi">mitmproxy</remote-id>
+	</upstream>
+</pkgmetadata>