diff --git a/sci-libs/hdf5/hdf5-1.14.4_p3.ebuild b/sci-libs/hdf5/hdf5-1.14.4_p3-r1.ebuild
similarity index 97%
rename from sci-libs/hdf5/hdf5-1.14.4_p3.ebuild
rename to sci-libs/hdf5/hdf5-1.14.4_p3-r1.ebuild
index a66e749ecc760..87cb0f37705b9 100644
--- a/sci-libs/hdf5/hdf5-1.14.4_p3.ebuild
+++ b/sci-libs/hdf5/hdf5-1.14.4_p3-r1.ebuild
@@ -19,8 +19,7 @@ SRC_URI="https://github.com/HDFGroup/hdf5/releases/download/${PN}_${MY_PV/-/.}/$
 S="${WORKDIR}/${MY_P}"
 
 LICENSE="NCSA-HDF"
-# Upstream make SONAME changes all the time even within stable releases.
-SLOT="0/${PV%%_p*}"
+SLOT="0/311"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~x64-macos"
 IUSE="cxx debug examples fortran +hl mpi szip test threads unsupported zlib"
 RESTRICT="!test? ( test )"