diff --git a/libs/maintainers.txt b/libs/maintainers.txt
index c7c0492c2e..363b0b0db8 100644
--- a/libs/maintainers.txt
+++ b/libs/maintainers.txt
@@ -94,7 +94,7 @@ multiprecision        John Maddock <john -at- johnmaddock.co.uk>, christopher Ko
 numeric/conversion    Fernando Cacciola <fernando_cacciola -at- ciudad.com.ar>, Brandon Kohn <blkohn -at- hotmail.com>
 numeric/interval      Sylvain Pion <Sylvain.Pion -at- sophia.inria.fr>, Herve Bronnimann <hbr -at- poly.edu>, Guillaume Melquiond <guillaume.melquiond -at- ens-lyon.fr>
 numeric/odeint        Karsten Ahnert <karsten.ahnert -at- gmx.de>, Mario Mulansky <mario.mulansky -at- gmx.net>
-numeric/ublas         David Bellot <david.bellot -at- gmail.com>
+numeric/ublas         David Bellot <david.bellot -at- gmail.com>, Stefan Seefeld <stefan -at- seefeld.name>
 operators             Daniel Frey <d.frey -at- gmx.de>
 optional              Fernando Cacciola <fernando_cacciola -at- ciudad.com.ar>, Andrzej Krzemienski <akrzemi1 -at- gmail.com>
 outcome               Niall Douglas