diff --git a/tox.ini b/tox.ini
index e04a6d4..6f3d283 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,8 +6,9 @@ isolated_build_env = .package
 # https://docs.djangoproject.com/en/dev/faq/install/#what-python-version-can-i-use-with-django
 envlist =
     py27-django111-drf39-typing,
-    py{27,35,36}-django111-drf{38,39},
-    py{35,36,37}-django{21,22}-drf{38,39},
+    py27-django111-drf{38,39},
+    py{35,36}-django{111,21,22}-drf{38,39},
+    py37-django{21,22}-drf{38,39},
     djmaster, lint, docs
 
 [testenv:.package]