diff --git a/tox.ini b/tox.ini
index 3197ac9..31e56bc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.9.0
-envlist = py39, py310, py311. py312
+envlist = py39, py310, py311, py312
 isolated_build = true
 
 [gh-actions]