diff --git a/dev-cpp/libxmlpp/libxmlpp-2.40.1.ebuild b/dev-cpp/libxmlpp/libxmlpp-2.40.1-r1.ebuild
similarity index 89%
rename from dev-cpp/libxmlpp/libxmlpp-2.40.1.ebuild
rename to dev-cpp/libxmlpp/libxmlpp-2.40.1-r1.ebuild
index 3e7993b987c3b..e9ebf804474dc 100644
--- a/dev-cpp/libxmlpp/libxmlpp-2.40.1.ebuild
+++ b/dev-cpp/libxmlpp/libxmlpp-2.40.1-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
@@ -17,7 +17,7 @@ IUSE="doc"
 
 RDEPEND="
 	>=dev-libs/libxml2-2.7.7[${MULTILIB_USEDEP}]
-	>=dev-cpp/glibmm-2.32[${MULTILIB_USEDEP}]
+	>=dev-cpp/glibmm-2.32:2[${MULTILIB_USEDEP}]
 "
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
diff --git a/dev-cpp/libxmlpp/libxmlpp-3.0.1.ebuild b/dev-cpp/libxmlpp/libxmlpp-3.0.1-r1.ebuild
similarity index 89%
rename from dev-cpp/libxmlpp/libxmlpp-3.0.1.ebuild
rename to dev-cpp/libxmlpp/libxmlpp-3.0.1-r1.ebuild
index 561537df491e0..06c753d80b954 100644
--- a/dev-cpp/libxmlpp/libxmlpp-3.0.1.ebuild
+++ b/dev-cpp/libxmlpp/libxmlpp-3.0.1-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=6
@@ -16,7 +16,7 @@ IUSE="doc"
 
 RDEPEND="
 	>=dev-libs/libxml2-2.7.7[${MULTILIB_USEDEP}]
-	>=dev-cpp/glibmm-2.32[${MULTILIB_USEDEP}]
+	>=dev-cpp/glibmm-2.32:2[${MULTILIB_USEDEP}]
 "
 DEPEND="${RDEPEND}
 	virtual/pkgconfig