diff --git a/tox.ini b/tox.ini
index e2abd4f..dc368f0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py27, py34, py35
+envlist = py39, py310
 skip_missing_interpreters = True
 
 [testenv]