The version of galan in portage is 0.3.0-beta6, but the newest version is 0.3.0-beta7 which is just a bug-fix so there should be no new dependecies. So I guess that it would be enough to just update the version number in the ebuild. Reproducible: Always Steps to Reproduce:
+*galan-0.3.0_beta7 (09 Jun 2009) + + 09 Jun 2009; Patrick Lauer <patrick@gentoo.org> +galan-0.3.0_beta7.ebuild: + Bump to beta7, fixes #273341 +