diff --git a/net-im/teams/Manifest b/net-im/teams/Manifest
index e4e01bd..9e53a79 100644
--- a/net-im/teams/Manifest
+++ b/net-im/teams/Manifest
@@ -1,3 +1,5 @@
 DIST teams_1.3.00.16851_amd64.deb 70105596 BLAKE2B cbadd17aac8722248eb01a51ee709ea51aad4a88a5e1b4e13ba86608af41b409f556d010dfcb03deb63a672730d96b92cb835d533183525e7a7b87f273cac175 SHA512 be2f9f37e1eb283c6f2c57fede83482eb5f2bbe0f5107ab2fb9054135375de6fcf43cf128fe3b43a21353d0105f092e5b5755ff708c0874d40c7eb4153a3b3a4
+DIST teams_1.3.00.30857_amd64.deb 76334658 BLAKE2B 486ee2945f46e7a7c7bfe1d2a6edf29f8cac5a7827c0a8bcf121d25ce95fde2caf31fed520c2f036e27b399c986ac1acc1531aaa1a9caf5a5d6848b10ac0d204 SHA512 5a8be75bfe752347bd36bf2abc2de74ad069cbf4a6430bfcad9ca7396d5b5bf8196a74798a0595908a33ebcb2fcdbedc403c7ff31eec76d07246a3d1c46eeab4
 EBUILD teams-1.3.00.16851.ebuild 2759 BLAKE2B 4632904d295c314769bf449be3d50f7b3aff7ec2a78d7e4cd97615bcc65771c3cf9c15900e501236b87ccdda0c78d0c7f13f6a3bb6266394d9d064e2104ebbca SHA512 68834a6dfbcd86d7a40b3832e4afd36b52546376c5b0b28d99d4da58c71452d0d1b0794510cb9aace7479a937934f767262b9886271c3f9ff944c87f47edc6e7
+EBUILD teams-1.3.00.30857.ebuild 3066 BLAKE2B ef03a90372ff5656324941c85a914e88b34afe53559e23a72e1a9c7a7a0c575328fccc07d91ff05a5598bce3fcea8a2a7b429c2e8088b6fd3761c00bc666b1c4 SHA512 296f01c8cccc3b2336be234f91339b44016c41c8eb21e0d988e4b027f6ca53b429c97a4add3fd83fe67a1474c37e1b8b6d8134b3ea45c6de2b76cda0c938ed76
 MISC metadata.xml 260 BLAKE2B 5eb8d87919aaab2f101cfc899ccb00b8efb723b67cb102ce580e0e69781639708cb8523b8967f9fb169e00455c548cff19d2827ce711c3f36d5ae58a1d3777ee SHA512 b6369aad1615446c9a4e1740a51a49d843868e114e49bc526e7b00cefdc795a601b9c508d866b065cc4ed750b85f48f136ee5925b9511a80f4056d7ef832eab2
diff --git a/net-im/teams/teams-1.3.00.30857.ebuild b/net-im/teams/teams-1.3.00.30857.ebuild
new file mode 100644
index 0000000..6f18946
--- /dev/null
+++ b/net-im/teams/teams-1.3.00.30857.ebuild
@@ -0,0 +1,101 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit desktop unpacker xdg-utils
+
+DESCRIPTION="Microsoft Teams, an Office 365 multimedia collaboration client, pre-release"
+HOMEPAGE="https://products.office.com/en-us/microsoft-teams/group-chat-software/"
+SRC_URI="https://packages.microsoft.com/repos/ms-teams/pool/main/t/${PN}/${PN}_${PV}_amd64.deb"
+
+LICENSE="ms-teams-pre"
+SLOT="0"
+KEYWORDS="-* ~amd64"
+RESTRICT="bindist mirror splitdebug test"
+IUSE="system-ffmpeg system-mesa"
+
+QA_PREBUILT="*"
+
+# libasound2 (>= 1.0.16), libatk-bridge2.0-0 (>= 2.5.3), libatk1.0-0 (>= 1.12.4), libc6 (>= 2.17), libcairo2 (>= 1.6.0), libcups2 (>= 1.4.0),
+# libexpat1 (>= 2.0.1), libgcc1 (>= 1:3.0), libgdk-pixbuf2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.35.8), libgtk-3-0 (>= 3.9.10), libnspr4 (>= 2:4.9-2~), libnss3
+# (>= 2:3.22), libpango-1.0-0 (>= 1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libsecret-1-0 (>= 0.7), libuuid1 (>= 2.16), libx11-6 (>= 2:1.4.99.1), libx11-xcb1,
+# libxcb1 (>= 1.6), libxcomposite1 (>= 1:0.3-1), libxcursor1 (>> 1.1.2), libxdamage1 (>= 1:1.1), libxext6, libxfixes3, libxi6 (>= 2:1.2.99.4), libxkbfile1,
+# libxrandr2 (>= 2:1.2.99.3), libxrender1, libxss1, libxtst6, apt-transport-https, libfontconfig1 (>= 2.11.0), libdbus-1-3 (>= 1.6.18), libstdc++6 (>= 4.8.1)
+RDEPEND="
+	app-accessibility/at-spi2-atk
+	app-crypt/libsecret
+	dev-libs/atk
+	dev-libs/expat
+	dev-libs/glib
+	dev-libs/nspr
+	dev-libs/nss
+	media-libs/alsa-lib
+	media-libs/fontconfig
+	net-print/cups
+	sys-apps/dbus
+	sys-apps/util-linux
+	x11-libs/cairo
+	x11-libs/cairo
+	x11-libs/gdk-pixbuf
+	x11-libs/gtk+:3
+	x11-libs/libX11
+	x11-libs/libXScrnSaver
+	x11-libs/libXcomposite
+	x11-libs/libXcursor
+	x11-libs/libXdamage
+	x11-libs/libXext
+	x11-libs/libXfixes
+	x11-libs/libXi
+	x11-libs/libXrandr
+	x11-libs/libXrender
+	x11-libs/libXtst
+	x11-libs/libxcb
+	x11-libs/libxkbfile
+	x11-libs/pango
+	system-mesa? ( media-libs/mesa )
+	system-ffmpeg? ( <media-video/ffmpeg-4.3[chromium] )
+"
+
+S="${WORKDIR}"
+
+src_install() {
+	rm _gpgorigin || die
+	doins -r .
+
+	fperms +x /usr/bin/teams
+	fperms +x /usr/share/teams/teams
+
+	if use system-ffmpeg ; then
+		rm -f "${D}"/usr/share/teams/libffmpeg.so || die
+
+		cat > 99teams <<-EOF
+		LDPATH=${EROOT}/usr/$(get_libdir)/chromium
+		EOF
+		doenvd 99teams
+		elog "Using system ffmpeg. This is experimental and may lead to crashes."
+	fi
+
+	if use system-mesa ; then
+		rm -f "${D}"/usr/share/teams/libEGL.so || die
+		rm -f "${D}"/usr/share/teams/libGLESv2.so || die
+		rm -f "${D}"/usr/share/teams/swiftshader/libEGL.so || die
+		rm -f "${D}"/usr/share/teams/swiftshader/libGLESv2.so || die
+		elog "Using system mesa. This is experimental and may lead to crashes."
+	fi
+
+	rm -rf "${D}"/usr/share/teams/resources/app.asar.unpacked/node_modules/keytar3 || die
+
+	sed -i '/OnlyShowIn=/d' "${S}"/usr/share/applications/teams.desktop || die
+	domenu usr/share/applications/teams.desktop
+}
+
+pkg_postinst() {
+	xdg_desktop_database_update
+	xdg_icon_cache_update
+}
+
+pkg_postrm() {
+	xdg_desktop_database_update
+	xdg_icon_cache_update
+}