diff --git a/requirements.txt b/requirements.txt
index a5320a1..261bfc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -e .
 coverage
 mockredispy
-django-redis-cache==2.1.1
+django-redis-cache
 celery<5
diff --git a/tox.ini b/tox.ini
index 3dc8c49..efdd4cf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 envlist =
     # list of supported Django/Python versioons:
-    py{36,37,38,39,py3}-django{22,30,31,master}
+    py{36,37,38,39,py3}-dj{22,30,31,master}
     py38-{lint,docs}
 
 [gh-actions]
@@ -15,10 +15,10 @@ python =
 [testenv]
 deps =
     -rrequirements.txt
-    django22: django>=2.2,<2.3
-    django30: django>=3.0,<3.1
-    django31: django>=3.1,<3.2
-    djangomaster: https://github.com/django/django/archive/master.tar.gz
+    dj22: django>=2.2,<2.3
+    dj30: django>=3.0,<3.1
+    dj31: django>=3.1,<3.2
+    djmaster: https://github.com/django/django/archive/master.tar.gz
 usedevelop = True
 commands =
     {envbindir}/coverage run --source=defender {envbindir}/django-admin test defender --settings=defender.ci_settings