diff --git a/pyproject.toml b/pyproject.toml
index 4a512e93..444f5079 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ dev = [
     "pre-commit == 3.7.1 ; python_version >= '3.9'",
     "pytest == 8.2.2",
     "setuptools_scm == 8.1.0",
-    "tox == 4.15.1",
+    "tox == 4.16.0",
 ]
 docs = [
     "furo == 2024.5.6",