diff --git a/tox.ini b/tox.ini
index b14b252..2360992 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ envlist =
     twine-check-py{27,37},
     py{27,34,35,36}-dj111
     py{34,35,36,37}-dj20
-    py{34,35,36,37}-dj21
+    py{35,36,37}-dj21
 
 [testenv]
 basepython =