1 files changed, 3 insertions, 4 deletions
diff --git a/tox.ini b/tox.ini
index 350c206..44d792f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,9 @@
 [tox]
-minversion = 3.6
+minversion = 3.7
 skipsdist = True
 envlist =
     pep8,
-    {py27,py34,py35,py36,py37,py38,pypy3}
+    {py37,py38,py39,pypy3}
     {gevent,eventlet,sasl,docs},
     pypy3
 
@@ -13,8 +13,7 @@ install_command = pip install {opts} {packages}
 passenv =
     CI
     TOX_*
-    TRAVIS
-    TRAVIS_*
+    CI_*
     ZOOKEEPER_*
 setenv =
     VIRTUAL_ENV={envdir}