1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 33e98b0..fb455bd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{36,37,38,py3}-{noextra,format,format_nongpl}-{build,tests},
+    py{36,37,38,39,py3}-{noextra,format,format_nongpl}-{build,tests},
     readme
     safety
     secrets