diff --git a/app-i18n/mozc/mozc-2.23.2815.102.ebuild b/app-i18n/mozc/mozc-2.23.2815.102-r1.ebuild
similarity index 99%
rename from app-i18n/mozc/mozc-2.23.2815.102.ebuild
rename to app-i18n/mozc/mozc-2.23.2815.102-r1.ebuild
index 08be8f8c45aae..0d8162f9bcdb7 100644
--- a/app-i18n/mozc/mozc-2.23.2815.102.ebuild
+++ b/app-i18n/mozc/mozc-2.23.2815.102-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 2010-2020 Gentoo Authors
+# Copyright 2010-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="7"
@@ -41,13 +41,13 @@ REQUIRED_USE="|| ( emacs fcitx4 ibus ) gui? ( ^^ ( handwriting-tegaki handwritin
 RESTRICT="!test? ( test )"
 
 BDEPEND="${PYTHON_DEPS}
-	>=dev-libs/protobuf-3.0.0
+	<dev-libs/protobuf-3.19
 	dev-util/gyp
 	dev-util/ninja
 	virtual/pkgconfig
 	emacs? ( app-editors/emacs:* )
 	fcitx4? ( sys-devel/gettext )"
-RDEPEND=">=dev-libs/protobuf-3.0.0:=
+RDEPEND="<dev-libs/protobuf-3.19:=
 	emacs? ( app-editors/emacs:* )
 	fcitx4? (
 		app-i18n/fcitx:4
diff --git a/app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429.ebuild b/app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429-r1.ebuild
similarity index 99%
rename from app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429.ebuild
rename to app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429-r1.ebuild
index d840eb56323a0..dd114a8b310cc 100644
--- a/app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429.ebuild
+++ b/app-i18n/mozc/mozc-2.26.4220_p20201212102434_p20201219202429-r1.ebuild
@@ -47,14 +47,14 @@ REQUIRED_USE="|| ( emacs fcitx4 ibus )"
 RESTRICT="!test? ( test )"
 
 BDEPEND="$(python_gen_any_dep 'dev-python/six[${PYTHON_USEDEP}]')
-	>=dev-libs/protobuf-3.0.0
+	<dev-libs/protobuf-3.19
 	dev-util/gyp
 	dev-util/ninja
 	virtual/pkgconfig
 	emacs? ( app-editors/emacs:* )
 	fcitx4? ( sys-devel/gettext )"
 DEPEND="=dev-cpp/abseil-cpp-20200923*[cxx17(+)]
-	>=dev-libs/protobuf-3.0.0:=
+	<dev-libs/protobuf-3.19:=
 	fcitx4? (
 		app-i18n/fcitx:4
 		virtual/libintl