diff --git a/dev-python/mamba/metadata.xml b/dev-python/mamba/metadata.xml
index 64effb5303a4a..e8d31551bbf59 100644
--- a/dev-python/mamba/metadata.xml
+++ b/dev-python/mamba/metadata.xml
@@ -1,9 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-  <!--maintainer-needed-->
-  <upstream>
-    <remote-id type="pypi">mamba</remote-id>
-    <remote-id type="github">nestorsalceda/mamba</remote-id>
-  </upstream>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="github">nestorsalceda/mamba</remote-id>
+		<remote-id type="pypi">mamba</remote-id>
+	</upstream>
 </pkgmetadata>