diff --git a/dev-python/cffi/cffi-1.11.2.ebuild b/dev-python/cffi/cffi-1.11.2.ebuild
index 0e086e82f5fbb..73252df06fc01 100644
--- a/dev-python/cffi/cffi-1.11.2.ebuild
+++ b/dev-python/cffi/cffi-1.11.2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -19,7 +19,7 @@ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~s
 IUSE="doc test"
 
 RDEPEND="
-	virtual/libffi
+	virtual/libffi:=
 	dev-python/pycparser[${PYTHON_USEDEP}]"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
diff --git a/dev-python/cffi/cffi-1.11.4.ebuild b/dev-python/cffi/cffi-1.11.4.ebuild
index bdcd7280874e8..db4fad0ca1f39 100644
--- a/dev-python/cffi/cffi-1.11.4.ebuild
+++ b/dev-python/cffi/cffi-1.11.4.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -19,7 +19,7 @@ KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~m68k ~mips ppc ppc64 s390 ~sh sparc x
 IUSE="doc test"
 
 RDEPEND="
-	virtual/libffi
+	virtual/libffi:=
 	dev-python/pycparser[${PYTHON_USEDEP}]"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
diff --git a/dev-python/cffi/cffi-1.11.5.ebuild b/dev-python/cffi/cffi-1.11.5.ebuild
index 14fa542c3c9df..a768eb4a28d77 100644
--- a/dev-python/cffi/cffi-1.11.5.ebuild
+++ b/dev-python/cffi/cffi-1.11.5.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -19,7 +19,7 @@ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~s
 IUSE="doc test"
 
 RDEPEND="
-	virtual/libffi
+	virtual/libffi:=
 	dev-python/pycparser[${PYTHON_USEDEP}]"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
diff --git a/dev-python/cffi/cffi-1.9.1.ebuild b/dev-python/cffi/cffi-1.9.1.ebuild
index b8e2ed10c434a..fcc1317009771 100644
--- a/dev-python/cffi/cffi-1.9.1.ebuild
+++ b/dev-python/cffi/cffi-1.9.1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -19,7 +19,7 @@ KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~m68k ~mips ppc ppc64 ~s390 ~sh sparc
 IUSE="doc test"
 
 RDEPEND="
-	virtual/libffi
+	virtual/libffi:=
 	dev-python/pycparser[${PYTHON_USEDEP}]"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig