diff --git a/net-libs/ngtcp2/Manifest b/net-libs/ngtcp2/Manifest
index f378ecbb2d854..2b4782aba234f 100644
--- a/net-libs/ngtcp2/Manifest
+++ b/net-libs/ngtcp2/Manifest
@@ -8,3 +8,4 @@ DIST ngtcp2-1.16.0.tar.xz 674160 BLAKE2B 68986cc5203b18f6b8ab793a4f80c969c095f83
 DIST ngtcp2-1.17.0.tar.xz 679244 BLAKE2B 4c0201d1f5a42f6aa7bcd93960289cb3277a4fe3158922c7be40c265cc610802d749b164f9bded81082e4325348430e1826dbb900ee7a0c1cbc2c90822f95bda SHA512 612fb2a55c95717e38ad7792261ac34372b344addc9437674425acfcbcf1faec6572affab430ab818afa275cbf8f9bb1e2a6b3876adcd6c5538f221736066a35
 DIST ngtcp2-1.18.0.tar.xz 688432 BLAKE2B 911ea1e0424093e8892deef6571f67138bdb9d308c23b14577f11915633a373fe3db172b4f318b89077d04f3e8cc34b0a032a21385329915c177f4c82a2a479d SHA512 4fa236927bbc9c1fe6f920d131e4655c4143c256eb001a7a80add65a9024c2039be64d8bb9606567fb6dcddb7dc6f3a11e08f9196714a60fd55c6cf10be8aa35
 DIST ngtcp2-1.19.0.tar.xz 686448 BLAKE2B 4db7b7a55d4138612a40a4a0288b5ab229e77d30614918e9c7dbbc3f3d50b85eaa5f26a9683b6834b61e28ed775ec1431486fb1e75e30a6d5f240d72e35e5714 SHA512 db6b69fa627297e37d804cae8ea04aacef2f666f3696ab347297a1a39c48073aedea128885c974e13ebaa52c112e23c12fcee93846f11c0b5c9d1cdb354d6f0e
+DIST ngtcp2-1.20.0.tar.xz 684060 BLAKE2B 1666c711688674eca1aba86dfca68f421557bf0c49f14ef915b9103b30a5c26b977d74a8cbdfa1466fe80148fdcb6d6f4061c402c5bca8201c071e57684d4132 SHA512 2366b6ae29664617776c901b05976a5cbd5443da8051854ce6c6e7b7779f5630bc2638a97144f4090a0e140a1a7607460b0b738cf55128d9e3bf31f872db26a8
diff --git a/net-libs/ngtcp2/ngtcp2-1.20.0.ebuild b/net-libs/ngtcp2/ngtcp2-1.20.0.ebuild
new file mode 100644
index 0000000000000..7bf686b1153a7
--- /dev/null
+++ b/net-libs/ngtcp2/ngtcp2-1.20.0.ebuild
@@ -0,0 +1,60 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Built with autotools rather than cmake to avoid circular dep (bug #951524
+
+inherit multilib-minimal
+
+if [[ ${PV} == 9999 ]] ; then
+	EGIT_REPO_URI="https://github.com/ngtcp2/ngtcp2.git"
+	inherit autotools git-r3
+else
+	SRC_URI="https://github.com/ngtcp2/ngtcp2/releases/download/v${PV}/${P}.tar.xz"
+
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+DESCRIPTION="Implementation of the IETF QUIC Protocol"
+HOMEPAGE="https://github.com/ngtcp2/ngtcp2"
+
+LICENSE="MIT"
+SLOT="0/0"
+IUSE="+gnutls openssl +ssl"
+REQUIRED_USE="ssl? ( || ( gnutls openssl ) )"
+
+RDEPEND="
+	ssl? (
+		gnutls? ( >=net-libs/gnutls-3.7.2:=[${MULTILIB_USEDEP}] )
+		openssl? ( >=dev-libs/openssl-1.1.1:=[${MULTILIB_USEDEP}] )
+	)
+"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+src_prepare() {
+	default
+	[[ ${PV} == 9999 ]] && eautoreconf
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		--disable-werror
+		--enable-lib-only
+		$(use_with openssl)
+		$(use_with gnutls)
+		--without-boringssl
+		--without-picotls
+		--without-wolfssl
+		--without-libev
+		--without-libnghttp3
+		--without-jemalloc
+	)
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}"/usr -type f -name '*.la' -delete || die
+}