diff --git a/requirements-test.txt b/requirements-test.txt
index 8be82f7..496914e 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,4 +1,4 @@
 coverage == 7.4.*
 mypy == 1.9.*
 pre-commit == 3.5.*
-tox == 4.13.*
+tox == 4.15.*