diff --git a/pyproject.toml b/pyproject.toml
index 1fbe6949a..96e882344 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ dev = [
     "pytest-xdist>=3.5.0,<=3.6.1",
     "pytest>=8.2.2,<=8.3.2",
     "requests>=2.9.1,<=2.32.3",
-    "tox<=4.15.1,>=4.15.1",
+    "tox>=4.15.1,<=4.16.0",
     "wheel>=0.36.2,<=0.43",
     "build>=0.10.0,<=1.2.1",
     "mypy<=1.10.1,>=1.10.1",