diff --git a/tox.ini b/tox.ini
index aee3a28..12fb928 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,py39,py310,py311,py312,pypy3
+envlist = py37,py39,py310,py311,py312,py313,pypy3
 [testenv]
 changedir = .tox
 deps = -rrequirements-test.txt