diff --git a/sci-physics/evtgen/Manifest b/sci-physics/evtgen/Manifest
index 174d163496b..7f76952ab6b 100644
--- a/sci-physics/evtgen/Manifest
+++ b/sci-physics/evtgen/Manifest
@@ -1 +1,2 @@
 DIST evtgen-02.02.01.tar.gz 2941525 BLAKE2B 8672f2d2e7452ba2330180a7e385d020372bdb436d22b12507ee22344f5013b439f68817e70ed50afbc3585beb15f01b0c29ee35dcbbaac8ec1ee0f8d573b3e2 SHA512 652424dae1d3e3d69c19fa946cd00e61ca5117e38eee20a41a98972374d79261fe7267311c06ecab497729f31e5842e340d6739434f09e5088972c95d2ce9c17
+DIST evtgen-02.02.03.tar.gz 2940937 BLAKE2B e136442f1d41bf528c292d60e1869b38a6569fa8be494d64c7cc2b7916da1b8682622715d755801efb30eeb819479210fa93d250b3b72d67afbbb45251c6d9dc SHA512 761028e0b20dcc1db0eabf212af5c06090b5ea6aa5c69398aacf72099b229f1fbc83b0b197032e157a70fe10affab92f57e8d7926d99d1144f5bfe190ab1d4d8
diff --git a/sci-physics/evtgen/evtgen-02.02.03.ebuild b/sci-physics/evtgen/evtgen-02.02.03.ebuild
new file mode 100644
index 00000000000..a8ca9fde728
--- /dev/null
+++ b/sci-physics/evtgen/evtgen-02.02.03.ebuild
@@ -0,0 +1,39 @@
+EAPI=8
+
+CMAKE_MAKEFILE_GENERATOR="emake"
+
+inherit cmake
+
+MY_PN="EvtGen"
+MY_P=${MY_PN}-${PV}
+
+DESCRIPTION="EvtGen is a Monte Carlo event generator that simulates the decays"
+HOMEPAGE="https://evtgen.hepforge.org/"
+SRC_URI="https://evtgen.hepforge.org/downloads?f=${MY_P}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${MY_PN}/R$(ver_rs 1-2 '-')"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="+hepmc3 pythia photos tauola"
+
+RDEPEND="
+	!hepmc3? ( sci-physics/hepmc:2= )
+	hepmc3? ( sci-physics/hepmc:3= )
+	pythia? ( >=sci-physics/pythia-8.3.0:= )
+	photos? ( >=sci-physics/photos-3.64:=[hepmc3?] )
+	tauola? ( >=sci-physics/tauola-1.1.8:=[hepmc3?] )
+"
+DEPEND="${RDEPEND}"
+
+src_configure() {
+	local mycmakeargs=(
+		-DEVTGEN_HEPMC3=$(usex hepmc3 ON OFF)
+		-DHEPMC3_ROOT_DIR="${ESYSROOT}/usr"
+		-DEVTGEN_PYTHIA=$(usex pythia ON OFF)
+		$(usex pythia -DPYTHIA8_ROOT_DIR="${ESYSROOT}/usr")
+		-DEVTGEN_PHOTOS=$(usex photos ON OFF)
+		-DEVTGEN_TAUOLA=$(usex tauola ON OFF)
+	)
+	cmake_src_configure
+}