diff --git a/tox.ini b/tox.ini
index 13c0bfc..38afccc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ exclude = pybind11,libCZI,_aicspylibczi,c_tests,docs,CMakeLists.txt,Example_Usag
 
 [tox]
 skipsdist = True
-envlist = py38, py39, py310, py311, py312, lint
+envlist = py39, py310, py311, py312, py313, lint
 
 [pytest]
 markers =