diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 8b196eae..f6a2b782 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -14,4 +14,3 @@ replace = version = release = '{new_version}'
 [bumpversion:file:src/protean/__init__.py]
 search = __version__ = '{current_version}'
 replace = __version__ = '{new_version}'
-
diff --git a/src/protean/cli.py b/src/protean/cli.py
index 3a7bbcdf..8947e526 100644
--- a/src/protean/cli.py
+++ b/src/protean/cli.py
@@ -17,14 +17,20 @@ Why does this file exist, and why not put this in __main__?
 import click
 
 
-@click.group()
-def main():
-    """ CLI utilities for the protean package """
-    pass
+@click.group(invoke_without_command=True)
+@click.version_option()
+@click.pass_context
+def main(ctx):
+    """CLI utilities for the Protean"""
+    if ctx.invoked_subcommand is None:
+        click.echo(ctx.get_help())
 
 
 @main.command()
-@click.argument('names', nargs=-1)
-def echo(names):
-    """Simply print input argument `names`"""
-    click.echo(repr(names))
+def test():
+    import pytest
+    import sys
+
+    errno = pytest.main(['-v', '--flake8'])
+
+    sys.exit(errno)

Implement a `--version` command to print current Protean version
diff --git a/tests/core/test_entity.py b/tests/core/test_entity.py
index 00f5fd25..5f800984 100644
--- a/tests/core/test_entity.py
+++ b/tests/core/test_entity.py
@@ -640,7 +640,7 @@ class TestEntity:
         dog4 = Dog.create(name='d\"Artagnan4', owner='John', age=5)
 
         assert all(dog is not None for dog in [dog1, dog2, dog3, dog4])
-    
+
     def test_override(self):
         """Test overriding methods from Entity"""
         class ImmortalDog(Entity):
diff --git a/tests/test_protean.py b/tests/test_protean.py
index e73641e6..7904ebcd 100644
--- a/tests/test_protean.py
+++ b/tests/test_protean.py
@@ -6,7 +6,9 @@ from protean.cli import main
 
 def test_main():
     runner = CliRunner()
-    result = runner.invoke(main, ['echo'])
+    result = runner.invoke(main, ['--version'])
 
-    assert result.output == '()\n'
+    from protean import __version__
+
+    assert result.output == 'main, version {protean_version}\n'.format(protean_version=__version__)
     assert result.exit_code == 0

pip install -e .[dev]
parse_log_pytest
requirements.txt
apt-get update apt-get install -y gcc
3.7
requirements.txt
pytest --slow --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
alabaster==0.7.13
Babel==2.14.0
certifi @ file:///croot/certifi_1671487769961/work/certifi
charset-normalizer==3.4.1
check-manifest==0.37
Click==7.0
coverage==4.5.1
distlib==0.3.9
docutils==0.14
exceptiongroup==1.2.2
filelock==3.12.2
flake8==5.0.4
idna==3.10
imagesize==1.4.1
importlib-metadata==4.2.0
iniconfig==2.0.0
Jinja2==3.1.6
MarkupSafe==2.1.5
mccabe==0.7.0
packaging==24.0
pkginfo==1.10.0
platformdirs==2.6.2
pluggy==0.13.1
-e git+https://github.com/proteanhq/protean.git@2ec387d5e42a508d1cd0c7378b039519e5fb21bc#egg=protean
py==1.11.0
pycodestyle==2.9.1
pyflakes==2.5.0
Pygments==2.17.2
pytest==7.4.4
pytest-flake8==1.0.4
python-dateutil==2.7.3
pytz==2025.2
requests==2.31.0
requests-toolbelt==1.0.0
six==1.17.0
snowballstemmer==2.2.0
Sphinx==1.8.3
sphinxcontrib-serializinghtml==1.1.5
sphinxcontrib-websupport==1.2.4
tomli==2.0.1
tox==3.1.2
tqdm==4.67.1
twine==1.11.0
typing_extensions==4.7.1
urllib3==2.0.7
virtualenv==20.16.2
zipp==3.15.0

name: protean
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2022.12.7=py37h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.4.4=h6a678d5_1
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - pip=22.3.1=py37h06a4308_0
  - python=3.7.16=h7a1cb2a_0
  - readline=8.2=h5eee18b_0
  - setuptools=65.6.3=py37h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - wheel=0.38.4=py37h06a4308_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - alabaster==0.7.13
      - babel==2.14.0
      - charset-normalizer==3.4.1
      - check-manifest==0.37
      - click==7.0
      - coverage==4.5.1
      - distlib==0.3.9
      - docutils==0.14
      - exceptiongroup==1.2.2
      - filelock==3.12.2
      - flake8==5.0.4
      - idna==3.10
      - imagesize==1.4.1
      - importlib-metadata==4.2.0
      - iniconfig==2.0.0
      - jinja2==3.1.6
      - markupsafe==2.1.5
      - mccabe==0.7.0
      - packaging==24.0
      - pkginfo==1.10.0
      - platformdirs==2.6.2
      - pluggy==0.13.1
      - py==1.11.0
      - pycodestyle==2.9.1
      - pyflakes==2.5.0
      - pygments==2.17.2
      - pytest==7.4.4
      - pytest-flake8==1.0.4
      - python-dateutil==2.7.3
      - pytz==2025.2
      - requests==2.31.0
      - requests-toolbelt==1.0.0
      - six==1.17.0
      - snowballstemmer==2.2.0
      - sphinx==1.8.3
      - sphinxcontrib-serializinghtml==1.1.5
      - sphinxcontrib-websupport==1.2.4
      - tomli==2.0.1
      - tox==3.1.2
      - tqdm==4.67.1
      - twine==1.11.0
      - typing-extensions==4.7.1
      - urllib3==2.0.7
      - virtualenv==20.16.2
      - zipp==3.15.0
prefix: /opt/conda/envs/protean

tests/test_protean.py::test_main
tests/core/test_entity.py::TestEntity::test_init tests/core/test_entity.py::TestEntity::test_individuality tests/core/test_entity.py::TestEntity::test_required_fields tests/core/test_entity.py::TestEntity::test_defaults tests/core/test_entity.py::TestEntity::test_validate_string_length tests/core/test_entity.py::TestEntity::test_validate_data_value_against_type tests/core/test_entity.py::TestEntity::test_template_init tests/core/test_entity.py::TestEntity::test_error_messages tests/core/test_entity.py::TestEntity::test_entity_inheritance tests/core/test_entity.py::TestEntity::test_default_id tests/core/test_entity.py::TestEntity::test_to_dict tests/core/test_entity.py::TestEntity::test_get tests/core/test_entity.py::TestEntity::test_get_object_not_found_error tests/core/test_entity.py::TestEntity::test_find_by tests/core/test_entity.py::TestEntity::test_find_by_object_not_found_error tests/core/test_entity.py::TestEntity::test_find_by_multiple_attributes tests/core/test_entity.py::TestEntity::test_find_by_multiple_attributes_object_not_found_error tests/core/test_entity.py::TestEntity::test_create_error tests/core/test_entity.py::TestEntity::test_create tests/core/test_entity.py::TestEntity::test_save tests/core/test_entity.py::TestEntity::test_save_validation_error tests/core/test_entity.py::TestEntity::test_save_invalid_value tests/core/test_entity.py::TestEntity::test_update_with_invalid_id tests/core/test_entity.py::TestEntity::test_update_with_dict tests/core/test_entity.py::TestEntity::test_update_with_kwargs tests/core/test_entity.py::TestEntity::test_update_with_dict_and_kwargs tests/core/test_entity.py::TestEntity::test_that_update_runs_validations tests/core/test_entity.py::TestEntity::test_update_by tests/core/test_entity.py::TestEntity::test_update_all_with_args tests/core/test_entity.py::TestEntity::test_update_all_with_kwargs tests/core/test_entity.py::TestEntity::test_unique tests/core/test_entity.py::TestEntity::test_query_init tests/core/test_entity.py::TestEntity::test_filter_chain_initialization_from_entity tests/core/test_entity.py::TestEntity::test_filter_chaining tests/core/test_entity.py::TestEntity::test_filter_chain_results_1 tests/core/test_entity.py::TestEntity::test_filter_chain_results_2 tests/core/test_entity.py::TestEntity::test_filter_chain_results_3 tests/core/test_entity.py::TestEntity::test_filter_norm tests/core/test_entity.py::TestEntity::test_exclude tests/core/test_entity.py::TestEntity::test_exclude_multiple tests/core/test_entity.py::TestEntity::test_comparisons tests/core/test_entity.py::TestEntity::test_invalid_comparison_on_query_evaluation tests/core/test_entity.py::TestEntity::test_pagination tests/core/test_entity.py::TestEntity::test_delete tests/core/test_entity.py::TestEntity::test_delete_all tests/core/test_entity.py::TestEntity::test_delete_all_by_filter tests/core/test_entity.py::TestEntity::test_delete_by tests/core/test_entity.py::TestEntity::test_filter_returns_q_object tests/core/test_entity.py::TestEntity::test_escaped_quotes_in_values tests/core/test_entity.py::TestEntity::test_override tests/core/test_entity.py::TestEntityMetaAttributes::test_entity_structure tests/core/test_entity.py::TestEntityMetaAttributes::test_meta_overriding_abstract tests/core/test_entity.py::TestEntityMetaAttributes::test_meta_overriding_schema_name tests/core/test_entity.py::TestEntityMetaAttributes::test_meta_overriding_provider tests/core/test_entity.py::TestEntityMetaAttributes::test_meta_overriding_order_by tests/core/test_entity.py::TestEntityMetaAttributes::test_meta_on_init tests/core/test_entity.py::TestEntityMetaAttributes::test_declared_fields_normal tests/core/test_entity.py::TestEntityMetaAttributes::test_declared_fields_with_reference tests/core/test_entity.py::TestEntityMetaAttributes::test_declared_fields_with_hasone_association
src/protean/cli.py .bumpversion.cfg
src/protean/cli.py .bumpversion.cfg