diff --git a/app-backup/bup/bup-0.28.1.ebuild b/app-backup/bup/bup-0.28.1.ebuild
index 5141a1e4169ba..f1071883fb229 100644
--- a/app-backup/bup/bup-0.28.1.ebuild
+++ b/app-backup/bup/bup-0.28.1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -14,6 +14,7 @@ LICENSE="LGPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE="test web"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="${PYTHON_DEPS}
 	app-arch/par2cmdline
diff --git a/app-backup/bup/bup-0.29-r1.ebuild b/app-backup/bup/bup-0.29-r1.ebuild
index d222ff3785d7e..86ff4f87983b9 100644
--- a/app-backup/bup/bup-0.29-r1.ebuild
+++ b/app-backup/bup/bup-0.29-r1.ebuild
@@ -14,6 +14,7 @@ LICENSE="LGPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE="+doc test web"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="${PYTHON_DEPS}
 	app-arch/par2cmdline
diff --git a/app-backup/bup/bup-0.29.1.ebuild b/app-backup/bup/bup-0.29.1.ebuild
index d222ff3785d7e..86ff4f87983b9 100644
--- a/app-backup/bup/bup-0.29.1.ebuild
+++ b/app-backup/bup/bup-0.29.1.ebuild
@@ -14,6 +14,7 @@ LICENSE="LGPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE="+doc test web"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="${PYTHON_DEPS}
 	app-arch/par2cmdline
diff --git a/app-backup/bup/bup-0.29.ebuild b/app-backup/bup/bup-0.29.ebuild
index 257d967dfc7a6..f1071883fb229 100644
--- a/app-backup/bup/bup-0.29.ebuild
+++ b/app-backup/bup/bup-0.29.ebuild
@@ -14,6 +14,7 @@ LICENSE="LGPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE="test web"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="${PYTHON_DEPS}
 	app-arch/par2cmdline