diff --git a/dev-util/conf2struct/conf2struct-1.0.ebuild b/dev-util/conf2struct/conf2struct-1.0-r1.ebuild
similarity index 91%
rename from dev-util/conf2struct/conf2struct-1.0.ebuild
rename to dev-util/conf2struct/conf2struct-1.0-r1.ebuild
index 6891ffd1b8b0a..c39a24cd4004f 100644
--- a/dev-util/conf2struct/conf2struct-1.0.ebuild
+++ b/dev-util/conf2struct/conf2struct-1.0-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="7"
@@ -19,7 +19,7 @@ LICENSE="BSD-2"
 SLOT="0"
 IUSE=""
 
-RDEPEND="dev-libs/libconfig
+RDEPEND="dev-libs/libconfig:=
 	dev-perl/Conf-Libconfig"
 DEPEND="${RDEPEND}"
 
diff --git a/dev-util/conf2struct/conf2struct-1.3.ebuild b/dev-util/conf2struct/conf2struct-1.3-r1.ebuild
similarity index 91%
rename from dev-util/conf2struct/conf2struct-1.3.ebuild
rename to dev-util/conf2struct/conf2struct-1.3-r1.ebuild
index 6891ffd1b8b0a..c39a24cd4004f 100644
--- a/dev-util/conf2struct/conf2struct-1.3.ebuild
+++ b/dev-util/conf2struct/conf2struct-1.3-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="7"
@@ -19,7 +19,7 @@ LICENSE="BSD-2"
 SLOT="0"
 IUSE=""
 
-RDEPEND="dev-libs/libconfig
+RDEPEND="dev-libs/libconfig:=
 	dev-perl/Conf-Libconfig"
 DEPEND="${RDEPEND}"
 
diff --git a/dev-util/conf2struct/conf2struct-9999.ebuild b/dev-util/conf2struct/conf2struct-9999.ebuild
index 6891ffd1b8b0a..c39a24cd4004f 100644
--- a/dev-util/conf2struct/conf2struct-9999.ebuild
+++ b/dev-util/conf2struct/conf2struct-9999.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="7"
@@ -19,7 +19,7 @@ LICENSE="BSD-2"
 SLOT="0"
 IUSE=""
 
-RDEPEND="dev-libs/libconfig
+RDEPEND="dev-libs/libconfig:=
 	dev-perl/Conf-Libconfig"
 DEPEND="${RDEPEND}"