diff --git a/tox.ini b/tox.ini
index 4d7a7e5..b41a523 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ envlist =
     django20-py{35,36,py3}
     django111-py{34,35,36,py}
     # ... then prereleases (if available):
-    django22-py{35,36,37}
+    django22-py{35,36,37,py3}
     djangoMaster-py{36,37}
 
 [testenv]