diff --git a/end_to_end_tests/golden-record/pyproject.toml b/end_to_end_tests/golden-record/pyproject.toml
index 67b718887..480a6d8a8 100644
--- a/end_to_end_tests/golden-record/pyproject.toml
+++ b/end_to_end_tests/golden-record/pyproject.toml
@@ -11,13 +11,16 @@ packages = [
 ]
 include = ["CHANGELOG.md", "my_test_api_client/py.typed"]
 
-
 [tool.poetry.dependencies]
 python = "^3.6"
 httpx = ">=0.15.4,<0.21.0"
 attrs = ">=20.1.0,<22.0.0"
 python-dateutil = "^2.8.0"
 
+[build-system]
+requires = ["poetry>=1.0"]
+build-backend = "poetry.masonry.api"
+
 [tool.black]
 line-length = 120
 target_version = ['py36', 'py37', 'py38']
@@ -33,9 +36,4 @@ exclude = '''
 
 [tool.isort]
 line_length = 120
-multi_line_output = 3
-include_trailing_comma = true
-
-[build-system]
-requires = ["poetry>=1.0"]
-build-backend = "poetry.masonry.api"
\ No newline at end of file
+profile = "black"
\ No newline at end of file
diff --git a/openapi_python_client/__init__.py b/openapi_python_client/__init__.py
index af79badef..608af8dce 100644
--- a/openapi_python_client/__init__.py
+++ b/openapi_python_client/__init__.py
@@ -205,11 +205,11 @@ def _build_metadata(self) -> None:
         git_ignore_path.write_text(git_ignore_template.render(), encoding=self.file_encoding)
 
     def _build_pyproject_toml(self, *, use_poetry: bool) -> None:
-        template = "pyproject.toml" if use_poetry else "pyproject_no_poetry.toml.jinja"
+        template = "pyproject.toml.jinja"
         pyproject_template = self.env.get_template(template)
         pyproject_path = self.project_dir / "pyproject.toml"
         pyproject_path.write_text(
-            pyproject_template.render(),
+            pyproject_template.render(use_poetry=use_poetry),
             encoding=self.file_encoding,
         )
 
diff --git a/openapi_python_client/templates/pyproject.toml b/openapi_python_client/templates/pyproject.toml.jinja
similarity index 92%
rename from openapi_python_client/templates/pyproject.toml
rename to openapi_python_client/templates/pyproject.toml.jinja
index 728d412ba..e951ce6a9 100644
--- a/openapi_python_client/templates/pyproject.toml
+++ b/openapi_python_client/templates/pyproject.toml.jinja
@@ -1,3 +1,4 @@
+{% if use_poetry %}
 [tool.poetry]
 name = "{{ project_name }}"
 version = "{{ package_version }}"
@@ -11,13 +12,17 @@ packages = [
 ]
 include = ["CHANGELOG.md", "{{ package_name }}/py.typed"]
 
-
 [tool.poetry.dependencies]
 python = "^3.6"
 httpx = ">=0.15.4,<0.21.0"
 attrs = ">=20.1.0,<22.0.0"
 python-dateutil = "^2.8.0"
 
+[build-system]
+requires = ["poetry>=1.0"]
+build-backend = "poetry.masonry.api"
+
+{% endif %}
 [tool.black]
 line-length = 120
 target_version = ['py36', 'py37', 'py38']
@@ -33,9 +38,4 @@ exclude = '''
 
 [tool.isort]
 line_length = 120
-multi_line_output = 3
-include_trailing_comma = true
-
-[build-system]
-requires = ["poetry>=1.0"]
-build-backend = "poetry.masonry.api"
+profile = "black"
diff --git a/openapi_python_client/templates/pyproject_no_poetry.toml.jinja b/openapi_python_client/templates/pyproject_no_poetry.toml.jinja
index 1bacf4d63..2d0685348 100644
--- a/openapi_python_client/templates/pyproject_no_poetry.toml.jinja
+++ b/openapi_python_client/templates/pyproject_no_poetry.toml.jinja
@@ -13,5 +13,4 @@ exclude = '''
 
 [tool.isort]
 line_length = 120
-multi_line_output = 3
-include_trailing_comma = true
+profile = "black"
diff --git a/tests/test___init__.py b/tests/test___init__.py
index 7e2de7409..b88c6fec3 100644
--- a/tests/test___init__.py
+++ b/tests/test___init__.py
@@ -510,7 +510,7 @@ def test__build_pyproject_toml(self, mocker, use_poetry):
 
         pyproject_template = mocker.MagicMock(autospec=jinja2.Template)
         project.env = mocker.MagicMock(autospec=jinja2.Environment)
-        template_path = "pyproject.toml" if use_poetry else "pyproject_no_poetry.toml.jinja"
+        template_path = "pyproject.toml.jinja"
         templates = {
             template_path: pyproject_template,
         }
@@ -520,7 +520,7 @@ def test__build_pyproject_toml(self, mocker, use_poetry):
 
         project.env.get_template.assert_called_once_with(template_path)
 
-        pyproject_template.render.assert_called_once_with()
+        pyproject_template.render.assert_called_once_with(use_poetry=use_poetry)
         pyproject_path.write_text.assert_called_once_with(pyproject_template.render(), encoding="utf-8")
 
     def test__build_setup_py(self, mocker):