diff --git a/pyproject.toml b/pyproject.toml
index 4bb903a..1cd5448 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dev = [
     "pytest-xdist[psutil]>=3.8.0",
     "ruff>=0.15.15",
     "sphinx>=9.0.4",
-    "tox>=4.55.0",
+    "tox>=4.55.1",
     "tox-gh-actions>=3.5.0",
 ]