diff --git a/requirements_dev.txt b/requirements_dev.txt
index 74ba5cc7..c950e456 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,6 +2,6 @@
 -r requirements_lint.txt
 -r requirements_scripts.txt
 -r requirements_test.txt
-tox==4.55.1
+tox==4.56.1
 
 -e .