diff --git a/tox.ini b/tox.ini
index 00271d8..4e0fdc8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,12 +1,12 @@
 # For more information about tox, see https://tox.readthedocs.io/en/latest/
 [tox]
-envlist = py{39,310,311}-{linux,macos,windows}
+envlist = py{310,311,312}-{linux,macos,windows}
 
 [gh-actions]
 python =
-    3.9: py39
     3.10: py310
     3.11: py311
+    3.12: py312
 
 [gh-actions:env]
 PLATFORM =