diff --git a/tox.ini b/tox.ini
index 1820fa01..43e2537e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,8 @@
 [tox]
 envlist =
     init,
-    py{27,36,39}-mode_ansible-ansible{2.10,3,4,5},
+    py{27,36}-mode_ansible-ansible{2.10,3,4},
+    py{39}-mode_ansible-ansible{2.10,3,4,5},
     py{27,36,39}-mode_mitogen-distro_centos{6,7,8},
     py{27,36,39}-mode_mitogen-distro_debian{9,10,11},
     py{27,36,39}-mode_mitogen-distro_ubuntu{1604,1804,2004},