diff --git a/sci-physics/hoppet/Manifest b/sci-physics/hoppet/Manifest
index cc73bfc3b12..a4e3d96ba2c 100644
--- a/sci-physics/hoppet/Manifest
+++ b/sci-physics/hoppet/Manifest
@@ -1 +1,2 @@
 DIST hoppet-1.2.0.tgz 575911 BLAKE2B 4d4dc1874b45b7237384ad3955808b5f4995c86b4d44165ef0c4d8b1da21880cdd1a3f1f1537f02ad7928baef5207e950be411465989ab876bcb806f355725cf SHA512 65ceb170cd417f229f8a974aa995138b8ee7ea5ef04538a5382b353181951e9d4489045234cd45c1ea8f88a5faf4755e3a0e246065711f137676bbf726a29f1f
+DIST hoppet-2.0.0.gh.tar.gz 13568415 BLAKE2B 4766a649a1ca8162e2a8ed5cc49425add6fe4da244e3b69033da02af5942185bc7c125addce830918bcf7d7f3b3d276b74acfa22da3cbab4c6e3b1dc082a2ca4 SHA512 5c70a00b47c73f9cf3c0018d7217a5cc9ae3f218985eaebde397360a9f7e080306b22dbdcce4b7c190aa44975c7fc3761e9a15f1455363fda2a401daf41241b8
diff --git a/sci-physics/hoppet/hoppet-2.0.0.ebuild b/sci-physics/hoppet/hoppet-2.0.0.ebuild
new file mode 100644
index 00000000000..479e9f3f317
--- /dev/null
+++ b/sci-physics/hoppet/hoppet-2.0.0.ebuild
@@ -0,0 +1,66 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit cmake fortran-2 python-single-r1
+
+MY_PV=${PV//_/-}
+MY_P=${P//_/-}
+
+DESCRIPTION="Higher Order Perturbative Parton Evolution Toolkit"
+HOMEPAGE="
+	https://hoppet.hepforge.org/
+	https://github.com/gavinsalam/hoppet
+"
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/hoppet-code/hoppet"
+	EGIT_BRANCH="master"
+else
+	SRC_URI="https://github.com/hoppet-code/hoppet/archive/refs/tags/${MY_P}.tar.gz -> ${P}.gh.tar.gz"
+	S="${WORKDIR}/${PN}-${MY_P}"
+	KEYWORDS="~amd64"
+fi
+
+SLOT="0"
+LICENSE="GPL-3+"
+IUSE="exact-coef examples python test"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+RESTRICT="!test? ( test )"
+DEPEND="
+	python? (
+		${PYTHON_DEPS}
+		dev-lang/swig
+	)
+"
+RDEPEND="${DEPEND}"
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+	fortran-2_pkg_setup
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DHOPPET_USE_EXACT_COEF=$(usex exact-coef)
+		-DHOPPET_BUILD_PYINTERFACE=$(usex python)
+		-DHOPPET_BUILD_EXAMPLES=$(usex examples)
+		-DHOPPET_ENABLE_TESTING=$(usex test)
+		-DHOPPET_BUILD_BENCHMARK=OFF
+		-DHOPPET_ENABLE_DEBUG=OFF
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	if use examples; then
+		docinto examples
+		dodoc -r example/.
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+	find "${ED}" -name '*.la' -delete || die
+}
diff --git a/sci-physics/hoppet/hoppet-9999.ebuild b/sci-physics/hoppet/hoppet-9999.ebuild
new file mode 100644
index 00000000000..479e9f3f317
--- /dev/null
+++ b/sci-physics/hoppet/hoppet-9999.ebuild
@@ -0,0 +1,66 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit cmake fortran-2 python-single-r1
+
+MY_PV=${PV//_/-}
+MY_P=${P//_/-}
+
+DESCRIPTION="Higher Order Perturbative Parton Evolution Toolkit"
+HOMEPAGE="
+	https://hoppet.hepforge.org/
+	https://github.com/gavinsalam/hoppet
+"
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/hoppet-code/hoppet"
+	EGIT_BRANCH="master"
+else
+	SRC_URI="https://github.com/hoppet-code/hoppet/archive/refs/tags/${MY_P}.tar.gz -> ${P}.gh.tar.gz"
+	S="${WORKDIR}/${PN}-${MY_P}"
+	KEYWORDS="~amd64"
+fi
+
+SLOT="0"
+LICENSE="GPL-3+"
+IUSE="exact-coef examples python test"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+RESTRICT="!test? ( test )"
+DEPEND="
+	python? (
+		${PYTHON_DEPS}
+		dev-lang/swig
+	)
+"
+RDEPEND="${DEPEND}"
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+	fortran-2_pkg_setup
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DHOPPET_USE_EXACT_COEF=$(usex exact-coef)
+		-DHOPPET_BUILD_PYINTERFACE=$(usex python)
+		-DHOPPET_BUILD_EXAMPLES=$(usex examples)
+		-DHOPPET_ENABLE_TESTING=$(usex test)
+		-DHOPPET_BUILD_BENCHMARK=OFF
+		-DHOPPET_ENABLE_DEBUG=OFF
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	if use examples; then
+		docinto examples
+		dodoc -r example/.
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+	find "${ED}" -name '*.la' -delete || die
+}
diff --git a/sci-physics/hoppet/metadata.xml b/sci-physics/hoppet/metadata.xml
index 85cbe5c6286..5d1d935fa9a 100644
--- a/sci-physics/hoppet/metadata.xml
+++ b/sci-physics/hoppet/metadata.xml
@@ -14,6 +14,9 @@
 	HOPPET is a Fortran 95 package for carrying out DGLAP evolution and other common manipulations of parton distribution functions (PDFs).
 	</longdescription>
 	<upstream>
-		<remote-id type="github">gavinsalam/hoppet</remote-id> 
+		<remote-id type="github">hoppet-code/hoppet</remote-id> 
 	</upstream>
+	<use>
+		<flag name="exact-coef"> Use exact coefficient functions </flag>
+	</use>
 </pkgmetadata>