diff --git a/.github/workflows/run_tox.yml b/.github/workflows/run_tox.yml
index 62a89e1..077266f 100644
--- a/.github/workflows/run_tox.yml
+++ b/.github/workflows/run_tox.yml
@@ -16,12 +16,10 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - 3.5
-          - 3.6
-          - 3.7
-          - 3.8  # includes tox env about code coverage
-          - 3.9
-          - '3.10'
+          - 3.7  # oldest supported version
+        # - 3.8  # no particial need
+        # - 3.9  # no particial need
+          - '3.10'  # includes tox env about code coverage
 
     steps:
       - uses: actions/checkout@v2.4.0
diff --git a/README.rst b/README.rst
index fd6012d..c75c099 100644
--- a/README.rst
+++ b/README.rst
@@ -6,11 +6,14 @@ in admin.
 |python| |pypi| |github-actions| |coveralls| |license|
 
 
-Project aims to support 3.4+ and Django 2.0+.
+Project aims to support Python 3.7+ and Django 2.2+.
 
 For **Django < 2.0** version support or **python-2.x** compatibility, please use version **1.3.4** which is
 the last version to support **python-2.x** compatibility.
 
+For **Django 2.0/2.1** version support or **Python 3.5/3.6** compatibility, please use version **1.5.7** which is
+the last version to support **Django 2.0/2.1** and **Python 3.5/3.6** compatibility.
+
 This django library is just a lightweight wrapper on `Select2` library
 and provides easy-to-use basic select2 functionality in a django project.
 If you need feature-rich solution, i recommend you to look at the latest
diff --git a/setup.py b/setup.py
index df6f929..8b47d25 100644
--- a/setup.py
+++ b/setup.py
@@ -51,6 +51,12 @@ def run_tests(self):
     keywords="django select2",
     url='https://github.com/asyncee/django-easy-select2',
     download_url='https://pypi.python.org/pypi/django-easy-select2/',
+
+    python_requires='>=3.7',
+    install_requires=[
+        'Django>=2.2',
+    ],
+
     classifiers=[
           'Development Status :: 5 - Production/Stable',
           'Environment :: Web Environment',
diff --git a/tox.ini b/tox.ini
index cd07b1e..0df233a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,8 @@
 [tox]
+# No particular need for Python 3.8 and 3.9
 envlist =
-    py35-{django20,django21,django22},
-    py36-{django20,django21,django22,django30},
-    py37-{django20,django21,django22,django30},
-    py38-{django20,django21,django22,django30,coverage},
-    py39-{django30,django32,django40},
-    py310-{django32,django40},
+    py37-django22,
+    py310-{django32,django40,coverage},
 
 [base]
 deps =
@@ -19,19 +16,16 @@ setenv =
 [testenv]
 deps =
     {[base]deps}
-    django20:  django>=2.0,<2.1
-    django21:  django>=2.1,<2.2
     django22:  django>=2.2,<2.3
-    django30:  django>=3.0,<3.1
     django32:  django>=3.2,<3.3
     django40:  django>=4.0,<4.1
 commands = py.test tests
 setenv = {[base]setenv}
 
-[testenv:py38-coverage]
+[testenv:py310-coverage]
 deps =
     {[base]deps}
-    django==3.0
+    django
     coverage
     coveralls
 commands =