diff --git a/tests/settings.py b/tests/settings.py
index 4e6ee25..3f22fee 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -46,6 +46,7 @@ INSTALLED_APPS = [
     'django.contrib.humanize',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
+    'django.contrib.messages',
     'django.contrib.sites',
     'django.contrib.sitemaps',
     'django.contrib.staticfiles',
diff --git a/tox.ini b/tox.ini
index af016ab..53d7a19 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,8 @@
 envlist =
     py{27,35,36}-django111-drf{38,39},
     py{35,36,37}-django20-drf{38,39},
+    py{35,36,37}-django21-drf{38,39},
+    py{35,36,37}-django22-drf{38,39},
     lint,
 
 [testenv]
@@ -12,6 +14,8 @@ setenv =
 deps =
     django111: Django ~= 1.11.0
     django20: Django ~= 2.0.0
+    django21: Django ~= 2.1.0
+    django22: Django ~= 2.2.0
     drf38: djangorestframework ~= 3.8.0
     drf39: djangorestframework ~= 3.9.0
     djangorestframework-jwt >= 1.9.0