diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1391dcb..c0c93f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,17 +20,13 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - 3.7
-          - 3.8
-          - 3.9
+          - "3.8"
+          - "3.9"
+          - "3.10"
         django-version:
-          - django~=3.1.0
           - django~=3.2.0
-        include:
-          - django-version: django~=4.0.0
-            python-version: 3.9
-          - django-version: django~=4.0.0
-            python-version: 3.8
+          - django~=4.1.0
+          - django~=4.2.0
 
     steps:
     - uses: actions/checkout@v2
diff --git a/README.rst b/README.rst
index 21994d4..04d8e80 100755
--- a/README.rst
+++ b/README.rst
@@ -46,7 +46,7 @@ a flat JSON object made of simple keys and values**.
 Compatibility
 -------------
 
-Tested on python >= 3.7 and Django >= 3.0.
+Tested on python >= 3.8 and Django 3.2, 4.1 and 4.2.
 
 It should work also on previous versions of Django.
 
diff --git a/setup.py b/setup.py
index bc80e04..51ccb20 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
         'test': [
             'openwisp-utils[qa] @ '
             'https://github.com/openwisp/openwisp-utils/tarball/master',
-            'django-extensions~=3.1.0',
+            'django-extensions~=3.2.0',
         ]
     },
     classifiers=[
diff --git a/tests/test_app/__init__.py b/tests/test_app/__init__.py
new file mode 100644
index 0000000..e69de29