diff --git a/.travis.yml b/.travis.yml
index 2a5a136..e795616 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 python:
+  - "3.6"
   - "3.7"
 install:
   - pip install -r requirements_dev.txt
diff --git a/README.md b/README.md
index ac505a5..b0f5deb 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/best-doctor/flake8-class-attributes-order.svg?branch=master)](https://travis-ci.org/best-doctor/flake8-class-attributes-order)
 [![Maintainability](https://api.codeclimate.com/v1/badges/28b7cd9d0714ec4b93a3/maintainability)](https://codeclimate.com/github/best-doctor/flake8-class-attributes-order/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/28b7cd9d0714ec4b93a3/test_coverage)](https://codeclimate.com/github/best-doctor/flake8-class-attributes-order/test_coverage)
-
+![PyPI - Python Version](https://img.shields.io/pypi/pyversions/flake8-class-attributes-order)
 
 An extension for flake8 to report on wrong class attributes order and class level logic.
 
diff --git a/flake8_class_attributes_order/__init__.py b/flake8_class_attributes_order/__init__.py
index fa9c4ec..2792152 100644
--- a/flake8_class_attributes_order/__init__.py
+++ b/flake8_class_attributes_order/__init__.py
@@ -1 +1 @@
-__version__ = '0.0.6'
+__version__ = '0.0.7'
diff --git a/flake8_class_attributes_order/checker.py b/flake8_class_attributes_order/checker.py
index 4f1ab1e..4ec09b3 100644
--- a/flake8_class_attributes_order/checker.py
+++ b/flake8_class_attributes_order/checker.py
@@ -1,13 +1,10 @@
-from __future__ import annotations
 import ast
-from typing import Generator, Tuple, List, Union, Mapping, TYPE_CHECKING
+from typing import Generator, Tuple, List, Union, Mapping
 
+from typing_extensions import Final
 
 from flake8_class_attributes_order import __version__ as version
 
-if TYPE_CHECKING:
-    from typing_extensions import Final
-
 
 class ClassAttributesOrderChecker:
     NON_STRICT_NODE_TYPE_WEIGHTS: Final[Mapping[str, int]] = {
diff --git a/setup.py b/setup.py
index e048954..a2899e4 100644
--- a/setup.py
+++ b/setup.py
@@ -22,10 +22,22 @@ def get_long_description() -> str:
 setup(
     name=package_name,
     description='A flake8 extension that checks classes attributes order',
+    classifiers=[
+        'Environment :: Console',
+        'Framework :: Flake8',
+        'Operating System :: OS Independent',
+        'Topic :: Software Development :: Documentation',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        'Topic :: Software Development :: Quality Assurance',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+    ],
     long_description=get_long_description(),
     long_description_content_type='text/markdown',
     packages=find_packages(),
-    python_requires='>=3.7',
+    python_requires='>=3.6',
     include_package_data=True,
     keywords='flake8',
     version=get_version(),