diff --git a/tox.ini b/tox.ini
index aad31b2..37a9319 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{36,37,38,39,310}
+envlist = py{27,36,37,38,39,310}
 
 [testenv]
 wheel=true