--- tmp/radicale-old.ebuild	2014-02-24 12:23:46.574499138 +0100
+++ tmp/radicale-old.ebuild	2014-02-24 12:22:14.952493861 +0100
@@ -21,11 +21,12 @@ 
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="~x86 ~amd64"
-IUSE="fastcgi ldap sql ssl"
+IUSE="fastcgi ldap sql ssl postgres"
 
 RDEPEND="ldap? ( dev-python/python-ldap[${PYTHON_USEDEP}] )
 		fastcgi? ( dev-python/flup[${PYTHON_USEDEP}] )
-		sql? ( dev-python/sqlalchemy[${PYTHON_USEDEP}] )"
+		sql? ( dev-python/sqlalchemy[${PYTHON_USEDEP}] )
+		postgres? ( dev-python/psycopg[${PYTHON_USEDEP}] )"
 
 # radicale's authentication against PAM is not possible here:
 # Gentoo has not included the package