diff --git a/pyproject.toml b/pyproject.toml
index 97014c6..c71e996 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dev = [
     "pre-commit == 3.7.1 ; python_version >= '3.9'",
     "pytest == 8.2.1",
     "setuptools_scm == 8.1.0",
-    "tox == 4.15.0",
+    "tox == 4.15.1",
 ]
 
 [project.urls]