diff --git a/Applications/Python/CMakeLists.txt b/Applications/Python/CMakeLists.txt
index ef45e964522340b8c8b11a5a21061b280a748992..667d1aff7032bbd09a365db27bfb44d5d29c591d 100644
--- a/Applications/Python/CMakeLists.txt
+++ b/Applications/Python/CMakeLists.txt
@@ -1,17 +1 @@
-# Create OpenGeoSys python module
-# https://pybind11.readthedocs.io/en/stable/compiling.html#building-with-cmake
-pybind11_add_module(
-    _cli MODULE ogs_python_module.cpp ../CLI/CommandLineArgumentParser.cpp
-)
-
-# lld linker strips out PyInit_OpenGeoSys symbol. Use standard linker.
-get_target_property(_link_options _cli LINK_OPTIONS)
-if(_link_options)
-    list(REMOVE_ITEM _link_options -fuse-ld=lld)
-    set_target_properties(_cli PROPERTIES LINK_OPTIONS "${_link_options}")
-endif()
-
-target_link_libraries(_cli PRIVATE ApplicationsLib BaseLib CMakeInfoLib GitInfoLib tclap)
-target_include_directories(_cli PRIVATE ../CLI)
-
-install(TARGETS _cli LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+add_subdirectory(ogs.simulator)
diff --git a/Applications/Python/ogs.simulator/CMakeLists.txt b/Applications/Python/ogs.simulator/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dce167cd59f62621b40153457b2f477b0b094e54
--- /dev/null
+++ b/Applications/Python/ogs.simulator/CMakeLists.txt
@@ -0,0 +1,21 @@
+# Create OpenGeoSys python module
+# https://pybind11.readthedocs.io/en/stable/compiling.html#building-with-cmake
+pybind11_add_module(
+    simulator MODULE ogs_python_module.cpp
+    ../../CLI/CommandLineArgumentParser.cpp
+)
+
+# lld linker strips out PyInit_OpenGeoSys symbol. Use standard linker.
+get_target_property(_link_options simulator LINK_OPTIONS)
+if(_link_options)
+    list(REMOVE_ITEM _link_options -fuse-ld=lld)
+    set_target_properties(simulator PROPERTIES LINK_OPTIONS "${_link_options}")
+endif()
+
+target_link_libraries(
+    simulator PRIVATE ApplicationsLib BaseLib CMakeInfoLib GitInfoLib tclap
+)
+target_include_directories(simulator PRIVATE ../../CLI)
+
+# Install into root dir (in Python module, enables 'import ogs.simulator')
+install(TARGETS simulator LIBRARY DESTINATION .)
diff --git a/Applications/Python/ogs_python_module.cpp b/Applications/Python/ogs.simulator/ogs_python_module.cpp
similarity index 98%
rename from Applications/Python/ogs_python_module.cpp
rename to Applications/Python/ogs.simulator/ogs_python_module.cpp
index c3e6f190a87554a77b8612c4082a37cd0cbb62c6..ab4103c7c6579c210fc7e9aa095dd9ac73c0d81c 100644
--- a/Applications/Python/ogs_python_module.cpp
+++ b/Applications/Python/ogs.simulator/ogs_python_module.cpp
@@ -122,8 +122,9 @@ void finalize()
 }
 
 /// python module name is OpenGeoSys
-PYBIND11_MODULE(_cli, m)
+PYBIND11_MODULE(simulator, m)
 {
+    m.attr("__name__") = "ogs.simulator";
     m.doc() = "pybind11 ogs example plugin";
     m.def("initialize", &initOGS, "init OGS");
     m.def("currentTime", &currentTime, "get current OGS time");
diff --git a/Applications/Python/OpenGeoSys/__init__.py b/Applications/Python/ogs/__init__.py
similarity index 87%
rename from Applications/Python/OpenGeoSys/__init__.py
rename to Applications/Python/ogs/__init__.py
index d4b704a8f3ec10d5244177ad1f225b1c07cac5ec..2aca7ae9d52b39a60ed90f3d84e9e1b443e23789 100644
--- a/Applications/Python/OpenGeoSys/__init__.py
+++ b/Applications/Python/ogs/__init__.py
@@ -69,23 +69,12 @@ binaries_list = [
 if "PEP517_BUILD_BACKEND" not in os.environ:
     if platform.system() == "Windows":
         os.add_dll_directory(os.path.join(os.path.dirname(__file__), "bin"))
-        from .lib._cli import *
-    else:
-        try:
-            from .lib64._cli import *
-        except ImportError:
-            try:
-                from .lib._cli import *
-            except ImportError:
-                print("ERROR: could not import OpenGeoSys Python module!")
 
     OGS_BIN_DIR = os.path.join(os.path.join(os.path.dirname(__file__), "bin"))
 
-
     def _program(name, args):
         return subprocess.call([os.path.join(OGS_BIN_DIR, name)] + args)
 
-
     FUNC_TEMPLATE = """def {0}(): raise SystemExit(_program("{0}", sys.argv[1:]))"""
     for f in binaries_list:
         exec(FUNC_TEMPLATE.format(f))
diff --git a/Tests/Python/test_cli.py b/Tests/Python/test_cli.py
index e2b60fc4fd4f4e1fd8eb8ba98162e2211d3a45da..52a50e2acb6434a4adcebe5c688d1ed0198381de 100644
--- a/Tests/Python/test_cli.py
+++ b/Tests/Python/test_cli.py
@@ -3,29 +3,13 @@ import os
 
 import pytest
 
-import OpenGeoSys
-
-
-def test_module():
-    arguments = [
-        "",
-        f"{os.path.abspath(os.path.dirname(__file__))}/../Data/Parabolic/LiquidFlow/Flux/cube_1e3_calculatesurfaceflux.prj",
-        "-o " + tempfile.mkdtemp(),
-    ]
-
-    print("Python OpenGeoSys.init ...")
-    OpenGeoSys.initialize(arguments)
-    print("Python OpenGeoSys.executeSimulation ...")
-    OpenGeoSys.executeSimulation()
-    print("Python OpenGeoSys.finalize() ...")
-    OpenGeoSys.finalize()
-
+import ogs
 
 from . import push_argv
 
 
 def _run(program, args):
-    func = getattr(OpenGeoSys, program)
+    func = getattr(ogs, program)
     args = ["%s.py" % program] + args
     with push_argv(args), pytest.raises(SystemExit) as excinfo:
         func()
@@ -34,6 +18,6 @@ def _run(program, args):
 
 def test_binaries():
     ignore_list = ["moveMeshNodes", "mpmetis", "tetgen"]  # have no --version cli flag
-    for f in OpenGeoSys.binaries_list:
+    for f in ogs.binaries_list:
         if f not in ignore_list:
             _run(f, ["--version"])
diff --git a/Tests/Python/test_simlator.py b/Tests/Python/test_simlator.py
new file mode 100644
index 0000000000000000000000000000000000000000..bb41cad5e08748f36fa0b3b4e2c88f1cae21b667
--- /dev/null
+++ b/Tests/Python/test_simlator.py
@@ -0,0 +1,20 @@
+import tempfile
+import os
+
+import pytest
+import ogs.simulator as sim
+
+
+def test_simulator():
+    arguments = [
+        "",
+        f"{os.path.abspath(os.path.dirname(__file__))}/../Data/Parabolic/LiquidFlow/Flux/cube_1e3_calculatesurfaceflux.prj",
+        "-o " + tempfile.mkdtemp(),
+    ]
+
+    print("Python OpenGeoSys.init ...")
+    sim.initialize(arguments)
+    print("Python OpenGeoSys.executeSimulation ...")
+    sim.executeSimulation()
+    print("Python OpenGeoSys.finalize() ...")
+    sim.finalize()
diff --git a/pyproject.toml b/pyproject.toml
index acb60b62466dac36d0da754637d5e0f7844b0532..5dc4a1ce709360a65a5112869c60e45553ec715b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,13 +15,12 @@ norecursedirs = ["Tests/Data"]
 [tool.cibuildwheel]
 archs = "auto64"
 build = "cp3*"
-skip = ["*musllinux*"]
 test-extras = "test"
 test-command = "pytest {project}/Tests/Python"
-# test-command = ""
 build-verbosity = "1"
 
 [tool.cibuildwheel.linux]
+skip = ["*musllinux*", "cp36-*"]
 manylinux-x86_64-image = "manylinux2014"
 manylinux-aarch64-image = "manylinux2014"
 environment-pass = ["OGS_VERSION"]
diff --git a/scripts/cmake/ProjectSetup.cmake b/scripts/cmake/ProjectSetup.cmake
index 597971cecf25a589e51e31c2598a30264da15f90..16bd5894c4da242593a50cc1ac8c8613b90ce7cc 100644
--- a/scripts/cmake/ProjectSetup.cmake
+++ b/scripts/cmake/ProjectSetup.cmake
@@ -40,8 +40,12 @@ endif()
 file(RELATIVE_PATH relDir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}
      ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}
 )
-list(APPEND CMAKE_INSTALL_RPATH ${BASEPOINT} ${BASEPOINT}/${relDir})
-list(APPEND CMAKE_BUILD_RPATH ${BASEPOINT} ${BASEPOINT}/${relDir})
+list(APPEND CMAKE_INSTALL_RPATH ${BASEPOINT} ${BASEPOINT}/${relDir}
+     ${BASEPOINT}/${CMAKE_INSTALL_LIBDIR} # Python modules
+)
+list(APPEND CMAKE_BUILD_RPATH ${BASEPOINT} ${BASEPOINT}/${relDir}
+     ${BASEPOINT}/${CMAKE_INSTALL_LIBDIR} # Python modules
+)
 
 # Some external dependencies always use lib instead of lib64, Fix for
 # lib64-based systems, e.g. OpenSUSE:
diff --git a/setup.py b/setup.py
index e5a8c44f2da9e4282ce36657ce2ba110e7eae600..93a3071368083d9fe2346dc6797aab1fab11cc5a 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@ from skbuild import setup
 from setuptools import find_packages
 
 import os
+import platform
 import re
 import subprocess
 import sys
@@ -12,8 +13,11 @@ def get_version():
     if "OGS_VERSION" in os.environ:
         git_version = os.environ["OGS_VERSION"]
     else:
+        git_describe_cmd = ["git describe --tags"]
+        if platform.system() == "Windows":
+            git_describe_cmd = ["git", "describe", "--tags"]
         git_version = subprocess.run(
-            ["git", "describe", "--tags"],
+            git_describe_cmd,
             capture_output=True,
             text=True,
             shell=True,
@@ -33,28 +37,27 @@ def get_version():
 
 
 sys.path.append(os.path.join("Applications", "Python"))
-from OpenGeoSys import binaries_list
+from ogs import binaries_list
 
 console_scripts = []
 for b in binaries_list:
-    console_scripts.append(f"{b}=OpenGeoSys:{b}")
+    console_scripts.append(f"{b}=ogs:{b}")
 
-import platform
 cmake_preset = "wheel"
 if platform.system() == "Windows":
     cmake_preset += "-win"
 
 setup(
-    name="OpenGeoSys",
+    name="ogs",
     version=get_version(),
-    description="OpenGeoSys",
+    description="OpenGeoSys Python Module",
     author="OpenGeoSys Community",
     license="BSD-3-Clause",
     packages=find_packages(where="Applications/Python"),
     package_dir={"": "Applications/Python"},
-    cmake_install_dir="Applications/Python/OpenGeoSys",
+    cmake_install_dir="Applications/Python/ogs",
     extras_require={"test": ["pytest"]},
     cmake_args=[f"--preset {cmake_preset}", "-B ."],
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     entry_points={"console_scripts": console_scripts},
 )