diff --git a/tox.ini b/tox.ini
index e2d84e4..e80eb67 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,8 @@ envlist =
 
 skipsdist = True
 
+minversion = 3.8.0
+requires = virtualenv>=20.3.0
 
 [testenv]
 changedir = testproject
@@ -17,7 +19,7 @@ setenv =
         PYTHONDONTWRITEBYTECODE=1
 
 deps =
-        django22: Django>=2.2.8,<=2.2.99
+        django22: Django>=2.2.17,<=2.2.99
         django30: Django>=3.0,<=3.0.99
         django31: Django>=3.1,<=3.1.99