diff --git a/dev-ada/ada_language_server/Manifest b/dev-ada/ada_language_server/Manifest
new file mode 100644
index 0000000000000..5319484dc0a90
--- /dev/null
+++ b/dev-ada/ada_language_server/Manifest
@@ -0,0 +1 @@
+DIST ada_language_server-22.0.0.tar.gz 791594 BLAKE2B 9effdf8376e00fe838be7b53c5756dc0d325e36eae780642d79483d6fcead9019cab41e228fe2313d6f31e06895e2d41feef194cb24ac50f02d6dd066774b642 SHA512 ef4bdf41315aad09750e85521657aefaaee419739aac4dec6e182691b8b5282face19481a113e710f7c4b21f6e6f51296d1872aaf5c1c3ab19b6774d142c021c
diff --git a/dev-ada/ada_language_server/ada_language_server-22.0.0.ebuild b/dev-ada/ada_language_server/ada_language_server-22.0.0.ebuild
new file mode 100644
index 0000000000000..47646aeec83fd
--- /dev/null
+++ b/dev-ada/ada_language_server/ada_language_server-22.0.0.ebuild
@@ -0,0 +1,56 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+ADA_COMPAT=( gnat_202{0,1} )
+inherit ada multiprocessing
+
+DESCRIPTION="an implementation of the Microsoft Language Server Protocol for Ada/SPARK"
+HOMEPAGE="https://github.com/AdaCore/ada_language_server"
+SRC_URI="https://github.com/AdaCore/${PN}/archive/refs/tags/v${PV}.tar.gz
+	-> ${P}.tar.gz"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="${ADA_DEPS}
+	dev-ada/ada_libfswatch[${ADA_USEDEP}]
+	dev-ada/gnatcoll-core[${ADA_USEDEP},shared]
+	dev-ada/libadalang[${ADA_USEDEP}]
+	dev-ada/libadalang-tools[${ADA_USEDEP},shared]
+	dev-ada/spawn[${ADA_USEDEP},shared]
+	dev-ada/VSS[${ADA_USEDEP}]"
+DEPEND="${RDEPEND}"
+BDEPEND="dev-ada/gprbuild[${ADA_USEDEP}]
+	test? ( dev-ada/e3-testsuite )"
+
+REQUIRED_USE="${ADA_REQUIRED_USE}"
+
+src_compile() {
+	gprbuild -v -j$(makeopts_jobs) -P gnat/tester.gpr -p \
+		-XLIBRARY_TYPE=relocatable \
+		-cargs:Ada ${ADAFLAGS} || die
+	gprbuild -v -j$(makeopts_jobs) -c -u -P gnat/lsp_server.gpr -p \
+		-XLIBRARY_TYPE=relocatable s-memory.adb \
+		-cargs:Ada ${ADAFLAGS} || die
+	gprbuild -v -j$(makeopts_jobs) -P gnat/lsp_server.gpr -p \
+		-XLIBRARY_TYPE=relocatable -XVERSION= \
+		-cargs:Ada ${ADAFLAGS} || die
+	gprbuild -v -j$(makeopts_jobs) -P gnat/codec_test.gpr -p \
+		-XLIBRARY_TYPE=relocatable \
+		-cargs:Ada ${ADAFLAGS} || die
+	gprbuild -v -j$(makeopts_jobs) -P gnat/lsp_client.gpr -p \
+		-XLIBRARY_TYPE=relocatable \
+		-cargs:Ada ${ADAFLAGS} || die
+	mkdir -p integration/vscode/ada/linux
+	cp -f .obj/server/ada_language_server integration/vscode/ada/linux || die
+}
+
+src_install() {
+	emake install DESTDIR="${D}"/usr
+	einstalldocs
+}
diff --git a/dev-ada/ada_language_server/metadata.xml b/dev-ada/ada_language_server/metadata.xml
new file mode 100644
index 0000000000000..bc7f545061819
--- /dev/null
+++ b/dev-ada/ada_language_server/metadata.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>ada@gentoo.org</email>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">adacore/ada_language_server</remote-id>
+	</upstream>
+</pkgmetadata>