diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 01271ff57..5af6d2483 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,6 @@
 2020-10-29
   * bump aiohomekit-0.2.54
+  * add guppy3-3.1.0
 
 2020-10-28 homeassistant-min-0.117.0
   * add a copy of cryptography-3.2 from main repo
diff --git a/dev-python/guppy3/Manifest b/dev-python/guppy3/Manifest
new file mode 100644
index 000000000..88e622ccb
--- /dev/null
+++ b/dev-python/guppy3/Manifest
@@ -0,0 +1,3 @@
+DIST guppy3-3.1.0.tar.gz 334377 BLAKE2B d3386cdd3cc5be2cc827cbe7e89b57284ef059dd22dd362891f8be7a556e6dfac15d4d44091fd6a526f7a3126956f3275f115abce417493a03b6fde1c607667b SHA512 faa07af3d0b1a962425494e7550a051c37f02a95d356b5a03c44b69a9af520031863bdc3730145af357e4e1434106c686f39e72b12690610ce934123a599a1b4
+EBUILD guppy3-3.1.0.ebuild 697 BLAKE2B de5efb197d48c71c3f001491dc25c84f594965af0692de1095bf78ca7893179bee06c2e74f218b3d0b3b42d1eabd6cc287de0b4f380cdb154d355b7f6b47d0d9 SHA512 e5209d2cc0fbe974882d94ffc19bf1c14f85c92c6c0d6c87046d089686c4386bad3d0d156d4cc75429ff0193d97736d7c3c0b623e690fb1f32bc196d344a1a1d
+MISC metadata.xml 450 BLAKE2B c9ddf6db3b8c69525d3145dc2653aeb542b1b3194e360d90c0a8c50dfb11ab85df42b902e4f387d6308bee8f32b22f2479cb0e4b98c0bf91dfe6c26a67429faf SHA512 b622736e950ba36137ef7c2c3a57f63d310f3148226968c5e388688754e92d6ac3095af32eeb3f76cb31b78a7911e52e371c836e5d527ec1c724df45c14e6985
diff --git a/dev-python/guppy3/guppy3-3.1.0.ebuild b/dev-python/guppy3/guppy3-3.1.0.ebuild
new file mode 100644
index 000000000..587acbc2f
--- /dev/null
+++ b/dev-python/guppy3/guppy3-3.1.0.ebuild
@@ -0,0 +1,32 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+PYTHON_COMPAT=( python3_{6..8} )
+
+inherit distutils-r1
+
+DESCRIPTION="Guppy 3 -- Guppy-PE ported to Python 3"
+HOMEPAGE="https://github.com/zhuyifei1999/guppy3/ https://pypi.org/project/guppy3/"
+SRC_URI="mirror://pypi/${P:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="test"
+
+DOCS="README.md"
+
+RDEPEND=""
+BDEPEND="${REDEPEND}
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? (
+		dev-python/nose[${PYTHON_USEDEP}]
+		dev-python/pytest[${PYTHON_USEDEP}]
+	)"
+
+python_test() {
+	nosetests --verbose || die
+	py.test -v -v || die
+}
diff --git a/dev-python/guppy3/metadata.xml b/dev-python/guppy3/metadata.xml
new file mode 100644
index 000000000..97f6cb106
--- /dev/null
+++ b/dev-python/guppy3/metadata.xml
@@ -0,0 +1,15 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>b@edevau.net</email>
+    <name>Andreas Billmeier</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="pypi">guppy3</remote-id>
+    <maintainer status="unknown">
+      <email>zhuyifei1999@gmail.com</email>
+      <name>YiFei Zhu</name>
+    </maintainer>
+  </upstream>
+</pkgmetadata>