diff --git a/var/spack/repos/builtin/packages/py-pylith/package.py b/var/spack/repos/builtin/packages/py-pylith/package.py
new file mode 100644
index 0000000000..3ce7c217a7
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-pylith/package.py
@@ -0,0 +1,26 @@
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class PyPylith(AutotoolsPackage, PythonExtension):
+    """PyLith does dynamic and quasi-static simulations of crustal deformation.
+    PyLith is an open-source finite-element code for dynamic and quasi-static
+    simulations of crustal deformation, primarily earthquakes and volcanoes."""
+
+    homepage = "https://geodynamics.org/resources/pylith"
+    url = "https://github.com/geodynamics/pylith/releases/download/v4.0.0/pylith-4.0.0.tar.gz"
+
+    license("MIT", checked_by="downloadico")
+
+    version("4.0.0", sha256="31e0131683292ee2e62f2c818cc2777f026104ae73d7a8368975dd6560292689")
+
+    depends_on("py-setuptools")
+    depends_on("py-cig-pythia")
+    depends_on("spatialdata")
+    depends_on("netcdf-c")
+    depends_on("petsc@=3.20.2+hdf5")
+    depends_on("py-h5py")