diff --git a/app-portage/gemato/Manifest b/app-portage/gemato/Manifest
index 372229f03bc7b..7ec2f867474e8 100644
--- a/app-portage/gemato/Manifest
+++ b/app-portage/gemato/Manifest
@@ -1,2 +1,3 @@
 DIST gemato-19.0.gh.tar.gz 86174 BLAKE2B b13e17f3b4388df4c0b6980db8347d68f9e6cb2657cdbcb28a8466bcdebed9e986ecac2f0f88e549741eb62accd91ed48a8ee4a714a5decce68e1529174a4c90 SHA512 3a8dfc94770e4063da8f1bf42ffc4c261345af89edd223bbf64033a82c2e31cb3369b98467fdbe9bf911b76e5ef964b676b94803579525697ddc31be1b83017b
 DIST gemato-20.0.gh.tar.gz 86296 BLAKE2B 663a479650fa6b7a989882c9233ba1cf11b5a528ef4ccc14aed2c32c7a52d877fd1efe9af29c5ed61ee0f8c846e89a52547a2cb6d0256ede5816527defe876ef SHA512 e8b3c515e7dcf32b34101d644ba658b3c534b117407f3b65543dfb684f9569969468c6a5d0290e698d204de6c4a2a18baf722c8e7a6d24d079319310e82e6803
+DIST gemato-20.1.gh.tar.gz 86394 BLAKE2B c8f8f855a5b56dbf06eef0c99e33d4ad04c8151fa121d152c9f918059436e21dafc98d3931465cc27f4c489c8e4f576abe73efd810df09896e4fe91e9aa21814 SHA512 d4395f95b5807473511cfc9631dc9db3cff610d3f3b12c8360ee452b964ea6610c76f7f1687b6b21f44fde93d6921731b1791ff51d908d3e7fd154beef6ac596
diff --git a/app-portage/gemato/gemato-20.1.ebuild b/app-portage/gemato/gemato-20.1.ebuild
new file mode 100644
index 0000000000000..7e02cc9bba9dd
--- /dev/null
+++ b/app-portage/gemato/gemato-20.1.ebuild
@@ -0,0 +1,53 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( python3_{9..11} pypy3 )
+PYTHON_REQ_USE='threads(+)'
+
+inherit distutils-r1
+
+DESCRIPTION="Stand-alone Manifest generation & verification tool"
+HOMEPAGE="
+	https://github.com/projg2/gemato/
+	https://pypi.org/project/gemato/
+"
+SRC_URI="
+	https://github.com/projg2/gemato/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux"
+IUSE="+gpg pretty-log tools"
+
+RDEPEND="
+	gpg? (
+		>=app-crypt/gnupg-2.2.20-r1
+		dev-python/requests[${PYTHON_USEDEP}]
+	)
+	pretty-log? (
+		dev-python/rich[${PYTHON_USEDEP}]
+	)
+"
+BDEPEND="
+	test? (
+		>=app-crypt/gnupg-2.2.20-r1
+		dev-python/requests[${PYTHON_USEDEP}]
+		dev-python/responses[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+
+python_install_all() {
+	distutils-r1_python_install_all
+
+	if use tools; then
+		exeinto /usr/share/gemato
+		doexe utils/*.{bash,py}
+	fi
+}