diff --git a/.github/actions/test/action.yml b/.github/actions/test/action.yml
new file mode 100644
index 0000000..18f4366
--- /dev/null
+++ b/.github/actions/test/action.yml
@@ -0,0 +1,33 @@
+name: 'Test'
+
+inputs:
+  python-version:
+    description: 'Python version to test with'
+    required: true
+    type: string
+  pytest-args:
+    description: 'pytest args to test with'
+    required: false
+    default: ''
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up Python ${{ inputs.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ inputs.python-version }}
+    - name: Install dependencies
+      shell: bash
+      run: |
+        python -m pip install --upgrade pip build
+        python -m build
+        python -m pip install '.[test]'
+        python -m pip install wheel pytest pytest-cov pytest-xdist requests "coveralls<4" codacy-coverage
+        pip install --ignore-installed pytest>=4.4.0
+        pytest --version
+    - name: Test with pytest
+      shell: bash
+      run: |
+        pytest ${{ inputs.pytest-args }} -m "not no_expected" -n 8 test/
diff --git a/.github/workflows/test_and_release.yml b/.github/workflows/test_and_release.yml
index 2ee1142..2d80373 100644
--- a/.github/workflows/test_and_release.yml
+++ b/.github/workflows/test_and_release.yml
@@ -1,6 +1,8 @@
 name: Build 📦
 
-on: [ push, pull_request ]
+on:
+  - push
+  - pull_request
 
 jobs:
   test:
@@ -8,31 +10,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+      - name: Test
+        uses: ./.github/actions/test
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python setup.py sdist
-          python setup.py install
-          python -m pip install wheel pytest pytest-cov pytest-xdist requests coveralls codacy-coverage
-          pip install --ignore-installed pytest>=4.4.0
-          pytest --version
-      - name: Test with pytest
-        run: |
-          python setup.py test -a '--cov-config .coveragerc --cov=json_to_models -m "not no_expected" test/'
-      - name: Coverage
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          coverage xml
-          coveralls --service=github
+          pytest-args: '--cov-config .coveragerc --cov=json_to_models'
+#      - name: Coverage
+#        env:
+#          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+#        run: |
+#          coverage xml
+#          coveralls --service=github
   # TODO: Fix codacy issue with token
   #        python-codacy-coverage -r coverage.xml
 
@@ -43,17 +35,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.7
+      - name: Set up Python 3.11
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.11
       - name: Install deps
         run: |
           python -m pip install --upgrade pip
           pip install setuptools wheel twine
       - name: Build a binary wheel and a source tarball
         run: |
-          python setup.py sdist bdist_wheel
+          python -m build
       - name: Publish distribution 📦 to PyPI
         env:
           TWINE_USERNAME: __token__
diff --git a/.github/workflows/test_every_week.yml b/.github/workflows/test_every_week.yml
new file mode 100644
index 0000000..c150293
--- /dev/null
+++ b/.github/workflows/test_every_week.yml
@@ -0,0 +1,21 @@
+name: Test every month
+
+on:
+  schedule:
+    - cron: "0 * * * *"
+#    - cron: "0 0 1 * *"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Test
+        uses: ./.github/actions/test
+        with:
+          python-version: ${{ matrix.python-version }}
diff --git a/README.md b/README.md
index 53c2846..5f586fa 100644
--- a/README.md
+++ b/README.md
@@ -444,9 +444,6 @@ class Swagger(BaseModel):
 
 ## Installation
 
-| **Beware**: this project supports only `python3.7` and higher. |
-| --- |
-
 To install it, use `pip`:
 
 `pip install json2python-models`
diff --git a/json_to_models/__init__.py b/json_to_models/__init__.py
index d239267..260c070 100644
--- a/json_to_models/__init__.py
+++ b/json_to_models/__init__.py
@@ -1,4 +1 @@
-from pkg_resources import parse_version
-
-__version__ = "0.3.0"
-VERSION = parse_version(__version__)
+__version__ = "0.3.1"
diff --git a/json_to_models/cli.py b/json_to_models/cli.py
index 4d367d7..6a4a6e1 100644
--- a/json_to_models/cli.py
+++ b/json_to_models/cli.py
@@ -15,9 +15,12 @@
 
 try:
     import ruamel.yaml as yaml
+
+    yaml_load = yaml.YAML(typ='safe', pure=True).load
 except ImportError:
     try:
         import yaml
+        yaml_load = yaml.safe_load
     except ImportError:
         yaml = None
 
@@ -417,11 +420,11 @@ def json(path: Path) -> Union[dict, list]:
 
     @staticmethod
     def yaml(path: Path) -> Union[dict, list]:
-        if yaml is None:
-            print('Yaml parser is not installed. To parse yaml files PyYaml (or ruamel.yaml) is required.')
+        if yaml_load is None:
+            print('Yaml parser is not installed. To parse yaml files ruamel.yaml (or PyYaml) is required.')
             raise ImportError('yaml')
         with path.open() as fp:
-            return yaml.safe_load(fp)
+            return yaml_load(fp)
 
     @staticmethod
     def ini(path: Path) -> dict:
diff --git a/json_to_models/models/pydantic.py b/json_to_models/models/pydantic.py
index fe47958..2937f42 100644
--- a/json_to_models/models/pydantic.py
+++ b/json_to_models/models/pydantic.py
@@ -46,7 +46,7 @@ def generate(self, nested_classes: List[str] = None, extra: str = "", **kwargs)
             nested_classes=nested_classes,
             extra=extra
         )
-        imports.append(('pydantic', ['BaseModel', 'Field']))
+        imports.append(('pydantic.v1', ['BaseModel', 'Field']))
         return imports, body
 
     def _filter_fields(self, fields):
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..8030da8
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,50 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "json2python-models"
+description = "Python models (pydantic, attrs, dataclasses or custom) generator from JSON data with typing module support"
+readme = "README.md"
+license = { text = "MIT" }
+requires-python = ">=3.9"
+authors = [
+    { name = "bogdandm (Bogdan Kalashnikov)", email = "bogdan.dm1995@yandex.ru" }
+]
+dynamic = ['version', 'dependencies']
+
+[project.urls]
+"Repository" = "https://github.com/bogdandm/json2python-models"
+
+[project.optional-dependencies]
+test = [
+    "pytest>=4.4.0",
+    "pytest-xdist",
+    "pytest-cov",
+    "requests",
+    "attrs",
+    "pydantic>=1.3",
+    "ruamel.yaml",
+    "coverage"
+]
+
+[project.scripts]
+json2models = "json_to_models.cli:main"
+
+[tool.setuptools]
+packages = { find = { exclude = ["test", "testing_tools"] } }
+
+[tool.setuptools.dynamic]
+dependencies = { file = ["requirements.txt"] }
+version = { attr = "json_to_models.__version__" }
+readme = { file = ['README.md'] }
+
+[tool.setuptools.package-data]
+"*" = ['*.txt.', '*.ini', ".coveragerc", "LICENSE", "*.md"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+markers = [
+    "no_expected: testing data has no expected value",
+    "slow_http: api that provides testing data is slow"
+]
\ No newline at end of file
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 31fac25..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[pytest]
-markers =
-    no_expected: testing data has no expected value
-    slow_http: api that provides testing data is slow
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 48afdcf..df7c532 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-python-dateutil>=2.7.*
-inflection>=0.3.*
-unidecode>=1.0.*
-Jinja2>=2.10.*
+python-dateutil>=2.7
+inflection>=0.3
+unidecode>=1.0
+Jinja2>=2.10
 ordered-set==4.*
-typing-extensions>=3.1.*
+typing-extensions>=3.1
diff --git a/setup.py b/setup.py.backup
similarity index 100%
rename from setup.py
rename to setup.py.backup
diff --git a/test/test_cli/test_script.py b/test/test_cli/test_script.py
index 7e2ce3c..6e77145 100644
--- a/test/test_cli/test_script.py
+++ b/test/test_cli/test_script.py
@@ -1,12 +1,12 @@
-import imp
 import json
 import re
 import subprocess
 import sys
 import tempfile
+import types
+import uuid
 from pathlib import Path
 from time import time
-from typing import Tuple
 
 import pytest
 
@@ -95,6 +95,14 @@ def test_help():
 ]
 
 
+def load_model(code, module_name=''):
+    module_name = module_name or uuid.uuid4().hex
+    module = types.ModuleType(module_name)
+    sys.modules[module_name] = module
+    exec(code, module.__dict__)
+    return module
+
+
 def execute_test(command, output_file: Path = None, output=None) -> str:
     proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = map(bytes.decode, proc.communicate())
@@ -107,13 +115,7 @@ def execute_test(command, output_file: Path = None, output=None) -> str:
     assert not stderr, stderr
     assert stdout, stdout
     assert proc.returncode == 0
-    # Note: imp package is deprecated but I can't find a way to create dummy module using importlib
-    module = imp.new_module("test_model")
-    sys.modules["test_model"] = module
-    try:
-        exec(compile(stdout, "test_model.py", "exec"), module.__dict__)
-    except Exception as e:
-        assert not e, stdout
+    load_model(stdout)
 
     print(stdout)
     return stdout
diff --git a/test/test_cli/test_self_validate_pydantic.py b/test/test_cli/test_self_validate_pydantic.py
index b1a5f35..d163305 100644
--- a/test/test_cli/test_self_validate_pydantic.py
+++ b/test/test_cli/test_self_validate_pydantic.py
@@ -1,9 +1,7 @@
-import imp
 import json
-import sys
 from inspect import isclass
 
-import pydantic
+import pydantic.v1 as pydantic
 import pytest
 
 from json_to_models.generator import MetadataGenerator
@@ -11,7 +9,7 @@
 from json_to_models.models.pydantic import PydanticModelCodeGenerator
 from json_to_models.models.structure import compose_models_flat
 from json_to_models.registry import ModelRegistry
-from .test_script import test_data_path
+from .test_script import test_data_path, load_model
 
 test_self_validate_pydantic_data = [
     pytest.param(test_data_path / "gists.json", list, id="gists.json"),
@@ -39,14 +37,9 @@ def test_self_validate_pydantic(data, data_type):
 
     structure = compose_models_flat(reg.models_map)
     code = generate_code(structure, PydanticModelCodeGenerator)
-    module = imp.new_module("test_models")
-    sys.modules["test_models"] = module
-    try:
-        exec(compile(code, "test_models.py", "exec"), module.__dict__)
-    except Exception as e:
-        assert not e, code
-
-    import test_models
+
+    test_models = load_model(code, 'test_models')
+
     for name in dir(test_models):
         cls = getattr(test_models, name)
         if isclass(cls) and issubclass(cls, pydantic.BaseModel):
diff --git a/test/test_code_generation/test_pydantic_generation.py b/test/test_code_generation/test_pydantic_generation.py
index 95c058f..7ad8d0c 100644
--- a/test/test_code_generation/test_pydantic_generation.py
+++ b/test/test_code_generation/test_pydantic_generation.py
@@ -53,7 +53,7 @@
             ]
         },
         "generated": trim(f"""
-        from pydantic import BaseModel, Field
+        from pydantic.v1 import BaseModel, Field
         
         
         class Test(BaseModel):
@@ -120,7 +120,7 @@ class Test(BaseModel):
             }
         },
         "generated": trim(f"""
-        from pydantic import BaseModel, Field
+        from pydantic.v1 import BaseModel, Field
         from typing import Dict, List, Optional
 
 
@@ -146,7 +146,7 @@ class Test(BaseModel):
             "u": DUnion(DDict(IntString), DList(DList(IntString))),
         }),
         "generated": trim("""
-        from pydantic import BaseModel, Field
+        from pydantic.v1 import BaseModel, Field
         from typing import Dict, List, Optional, Union