[app-crypt/certbot-dns-rfc2136] version bump

app-crypt/certbot-dns-rfc2136/certbot-dns-rfc2136-9999.ebuild

@@ -2,7 +2,8 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=(python3_{6,7,8})
+PYTHON_COMPAT=(python{3_6,3_7,3_8,3_9})
+DISTUTILS_USE_SETUPTOOLS=rdepend
 
 if [[ ${PV} == 9999* ]]; then
 	EGIT_REPO_URI="https://github.com/certbot/certbot.git"
@@ -23,10 +24,8 @@ LICENSE="Apache-2.0"
 SLOT="0"
 IUSE=""
 
-CDEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"
-RDEPEND="${CDEPEND}
+RDEPEND="
 	>=app-crypt/acme-1.4.0[${PYTHON_USEDEP}]
-	>=app-crypt/certbot-1.4.0[${PYTHON_USEDEP}]
+	>=app-crypt/certbot-1.6.0[${PYTHON_USEDEP}]
 	dev-python/dnspython[${PYTHON_USEDEP}]
 	dev-python/zope-interface[${PYTHON_USEDEP}]"
-DEPEND="${CDEPEND}"