diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index d4cf4d123..498df5132 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,6 @@
+2020-10-13
+ * bump mypy-0.790
+ 
 2020-10-12
  * bump RachioPy-1.0.3
  * bump brother-0.1.18
diff --git a/dev-python/mypy/Manifest b/dev-python/mypy/Manifest
index 9bbc82f7d..9862aaf26 100644
--- a/dev-python/mypy/Manifest
+++ b/dev-python/mypy/Manifest
@@ -2,10 +2,13 @@ DIST mypy-0.660.tar.gz 1705668 BLAKE2B dfc3e2bee3a8a8c533a440e4cb1d6cc7b20910432
 DIST mypy-0.710.tar.gz 1890252 BLAKE2B a26ba2165de89d151b61217d41b01bc6268f1b0d47fe1526dd902650af631d0ba5a4ded0b423f34f8c30a92d68ecee610c4f1564767545646a807661eb836d19 SHA512 89efb9f024d31cbe17e2ca8c812ba25883972755de9195839363094f72d3f5c9ad2ca7af796f90bb27cba3a64262269a6b9ce0a6749f337a4df5cf8506c093ab
 DIST mypy-0.780.tar.gz 2056698 BLAKE2B 470890149396759e4d7833e04294c7704e4d181b5cfb6d679c4c1c239ba65fb60203e805933b94b3a7690e535f1666b9ac0a36dc739c063413debcaaa6b77ae3 SHA512 af90809844e97e289d427dafc1883692320deb44b85b3f80e00de87884477e4c243b291a544455b93fd3a6552cf8ccfef646e2030331b053fd9ac87f24424692
 DIST mypy-0.782.tar.gz 2056932 BLAKE2B 76f91a3b708c0e0ca3fdbc8364ea720ef5c722aeea90e4e1dd28c73ac0023674db2d9c76cc084f19e7f98e067cc5fb599469e0dc16095bae70fb36926186db7b SHA512 08444abc3cb8f57dcb1ebd90a2248019e0c69c255b0b82c879291b00899018795810d70467a9c350c0564c0961b6f146d63d33238659354336658ac559f97f95
+DIST mypy-0.790.zip 2431919 BLAKE2B 51d6e93c4023025bd7720f5ab41195e3aa3d3ebce797c43485ed2df197d38d25275a97a041629407a306b7b636af7217fe3629911965a6cad098b4ebe5870416 SHA512 865fae439443c7796082a86e897a5c860e148e8747c6ebc34f0eb354484b992c388bc32b12c703d941766450f41afa29cee4909ef3d6c931e717c541460ebd2e
 DIST mypy-typeshed-0.780-e199c2e.tar.gz 541588 BLAKE2B f663d0feccffb315efd1b6e3ebc54bbe3cf4c7873c240ed54c7be1042807e2213326db8756b5a540fd9bf5ae95a2c0850e8cb35ae2e849ec3e9a628367fabe72 SHA512 57f3159d909799838779c04ccc6541322c27c01efb026c26a145676fa75076f64b8cd3e99f7488501582c743e1102cad59320512d52d4a058d8731c54c0705cd
 DIST mypy-typeshed-0.782-e199c2e.tar.gz 541588 BLAKE2B f663d0feccffb315efd1b6e3ebc54bbe3cf4c7873c240ed54c7be1042807e2213326db8756b5a540fd9bf5ae95a2c0850e8cb35ae2e849ec3e9a628367fabe72 SHA512 57f3159d909799838779c04ccc6541322c27c01efb026c26a145676fa75076f64b8cd3e99f7488501582c743e1102cad59320512d52d4a058d8731c54c0705cd
+DIST mypy-typeshed-0.790-58ee9c0.tar.gz 588345 BLAKE2B 1b6911f38b89549843a5d95d6d69bbfb505e8979aa123bbfcdfb046b3ad3da1ddfa79605e2c0d5404a726dc9cb190b2c221f2a9ea8a23c3f91bbdd44bc775b9d SHA512 711324a5d7cfcd54a07698a52416f70aa67b52cb3282cbbf64a2760874cc00110428be311db5fd4cfabcc9fc3ca4452c1382f2307c11fe396c27f72a15797e3b
 EBUILD mypy-0.660.ebuild 650 BLAKE2B c183678f6de9f2521ef8c6d9f1763555484ae59857503c8a4c038f3aa06cb0528a2d8d42935be3abc338a93985f6b75fc8358d30b16255116ced3022524e48cb SHA512 6a8cf1d53f21374b3ac013da7fbe7e4244ee6620129ff0b4496941c7bf2a2111192dcb80d392bf60603513f189d0877dd169b587f9da668fee38714f6a87b72a
 EBUILD mypy-0.710.ebuild 652 BLAKE2B 8be8f2811a5243ef5af162140644f9f7f451a5c442a2d1472c017e5a4ca0d1cbe6154af01c02dca7337888eb4b048b41b286788a8151b6cadd2dc03246234416 SHA512 26299fe40f37d7c473b8e88168afe8ac394e09da08c99588377fd1d1f4c1b9b586769827801e813a000f4e1aa20fea13093b4693340f3d5bedc8f0bb15c44676
 EBUILD mypy-0.780.ebuild 2055 BLAKE2B 36d3d5833f48b4eee78d6315631b2e03cadc5f8888377486aa1c62a1435762bef0b8665df2a472d34ce4bff5b1e14c1accc26fb84f640592d5ba3d378e14658d SHA512 554baba8ebb0c9d0f661b7d9f9497469d6b5b726924aef26166989c48aea76f85f74c746880b2db71134f8ed54942626e42f38ab7134bbe60b2bedd81efb4638
 EBUILD mypy-0.782.ebuild 2051 BLAKE2B 162d0bba6a6df6680550a449200fffe6764703fbd729f47198ef4f0209195e077852a1789c76b9e54ecf48ba5c0dcd389b2d6b4c62410948d0d3dc6c078c4018 SHA512 a0c4f0ebc0aa004c72cd3ef4a3c05e48ed90070a37b37775b60dbe6aaa405ceca0528b8bfff45fc8fadb74d6649d16ec8722d5ac311da19a01a736c934fda702
+EBUILD mypy-0.790.ebuild 2047 BLAKE2B c93b46ef2f136b70c53a66269dc4beab581d1007757625958002e48edb41973e08d1d7da9da2c26e6e9b6ce11ae748c65e30294ed4b17ca99dda743edde2503c SHA512 8c70fa52cbe6f9200b5e3d0c46cb57d238bf2beee057d98bbb7ffb706180bfd0578143a2c4ba45159cf283decfed253ae5bf51dc5b62a8493fd6637ce13b0bfc
 MISC metadata.xml 454 BLAKE2B 932219fbce42dca57af572b0c3a6d541adbc8ea5b52d4823d3744bb698660544c19aacc8f5fbbabbad85625b26e2670bf03f9e828c46fe6aba3b50b2616beea0 SHA512 fcdc27b48eba35950d4b97454637b896eb14f8e0f8e8b01ec1f9126e2adbe6d08034942ffa77ade3c9bd50d1939afee6369c4d12d4a7c1867f4c92beabe10993
diff --git a/dev-python/mypy/mypy-0.790.ebuild b/dev-python/mypy/mypy-0.790.ebuild
new file mode 100644
index 000000000..a1ca76ab0
--- /dev/null
+++ b/dev-python/mypy/mypy-0.790.ebuild
@@ -0,0 +1,80 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+PYTHON_COMPAT=( python3_{6,7,8} )
+
+inherit distutils-r1
+
+if [ "${PV}" == "9999" ]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/python/${PN}"
+	SRC_URI=""
+else
+	TYPESHED_COMMIT="58ee9c0"
+	SRC_URI="https://github.com/python/${PN}/archive/v${PV}.zip -> ${P}.zip
+			https://api.github.com/repos/python/typeshed/tarball/${TYPESHED_COMMIT} -> mypy-typeshed-${PV}-${TYPESHED_COMMIT}.tar.gz"
+fi
+
+DESCRIPTION="Optional static typing for Python"
+HOMEPAGE="http://www.mypy-lang.org/"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="amd64 x86"
+IUSE="doc test"
+
+DEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? ( dev-python/flake8[${PYTHON_USEDEP}]
+			>=dev-python/pytest-3.0[${PYTHON_USEDEP}]
+			>=dev-python/pytest-xdist-1.18[${PYTHON_USEDEP}]
+			>=dev-python/pytest-cov-2.4.0[${PYTHON_USEDEP}]
+			>=dev-python/psutil-5.4.0[${PYTHON_USEDEP}]
+			>=dev-python/lxml-4.1.1[${PYTHON_USEDEP}]
+			>=dev-python/py-1.5.2[${PYTHON_USEDEP}]
+			>=dev-python/virtualenv-16.0.0[${PYTHON_USEDEP}] )
+	doc? (
+		dev-python/sphinx[${PYTHON_USEDEP}]
+		dev-python/sphinx_rtd_theme[${PYTHON_USEDEP}]
+	)
+"
+CDEPEND="
+	!dev-util/stubgen
+	>=dev-python/psutil-4[${PYTHON_USEDEP}]
+	>=dev-python/typed-ast-1.4.0[${PYTHON_USEDEP}]
+	<dev-python/typed-ast-1.5.0[${PYTHON_USEDEP}]
+	>=dev-python/typing-extensions-3.7.4[${PYTHON_USEDEP}]
+	>=dev-python/mypy_extensions-0.4.3[${PYTHON_USEDEP}]
+	<dev-python/mypy_extensions-0.5.0[${PYTHON_USEDEP}]
+	"
+
+RDEPEND="${CDEPEND}"
+
+RESTRICT="!test? ( test )"
+
+src_unpack() {
+	if [ "${PV}" == "9999" ]; then
+		git-r3_src_unpack
+	else
+		unpack ${A}
+		rmdir "${S}/mypy/typeshed"
+		mv "${WORKDIR}/python-typeshed-${TYPESHED_COMMIT}" "${S}/mypy/typeshed"
+	fi
+}
+
+python_compile_all() {
+	use doc && emake -C docs html
+}
+
+python_test() {
+	local PYTHONPATH="$(pwd)"
+
+	"${PYTHON}" runtests.py || die "tests failed under ${EPYTHON}"
+}
+
+python_install_all() {
+	use doc && local HTML_DOCS=( docs/build/html/. )
+
+	distutils-r1_python_install_all
+}