diff --git a/requirements.txt b/requirements.txt
index d2ee0c4d..06509c8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ Sphinx~=7.1.2; python_version <= '3.8'
 nbsphinx==0.9.3
 
 # integration
-tox==4.11.3
+tox==4.12.0
 
 # code style
 flake8==6.1.0