diff --git a/pyproject.toml b/pyproject.toml
index fee78f1..02266aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ requires-poetry = ">=2.0"
 dev = [
     "pytest>=9.1.1,<9.1.2",
     "pytest-cov>=7.1.0,<7.1.1",
-    "tox>=4.60.0,<4.60.1",
+    "tox>=4.61.1,<4.61.2",
     "flake8>=7.3.0,<8.0.0",
     "types-python-dateutil>=2.9.0.20260518,<3.0.0",
     "mypy>=2.3.1,<3.0.0",
diff --git a/test-requirements.txt b/test-requirements.txt
index 82f9fa7..563efe6 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,6 +1,6 @@
 pytest>=9.1.1,<9.1.2
 pytest-cov>=7.1.0,<7.1.1
-tox>=4.60.0,<4.60.1
+tox>=4.61.1,<4.61.2
 flake8>=7.3.0,<7.4.0
 types-python-dateutil>=2.9.0.20260518,<3.0.0
 mypy>=2.3.1,<2.4
diff --git a/uv.lock b/uv.lock
index 962f4d6..7d6d153 100644
--- a/uv.lock
+++ b/uv.lock
@@ -785,7 +785,7 @@ dev = [
     { name = "mypy", specifier = ">=2.3.1,<3.0.0" },
     { name = "pytest", specifier = ">=9.1.1,<9.1.2" },
     { name = "pytest-cov", specifier = ">=7.1.0,<7.1.1" },
-    { name = "tox", specifier = ">=4.60.0,<4.60.1" },
+    { name = "tox", specifier = ">=4.61.1,<4.61.2" },
     { name = "types-python-dateutil", specifier = ">=2.9.0.20260518,<3.0.0" },
 ]
 
@@ -863,7 +863,7 @@ wheels = [
 
 [[package]]
 name = "tox"
-version = "4.60.0"
+version = "4.61.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cachetools" },
@@ -879,9 +879,9 @@ dependencies = [
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
     { name = "virtualenv" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/9f/1f/3acba68301b0081cec87b1769ba4c3a4a0a30f20879a05420673c7e4671d/tox-4.60.0.tar.gz", hash = "sha256:6f93bb580d35e00fc69cfec1116eecbe21155f747753ca5019374f7c69b2eac9", size = 301598, upload-time = "2026-08-13T23:14:26.944Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d6/04/e24b26eebc152f497761387108996c241492b5ac0455ad7effac9fd7b2f2/tox-4.61.1.tar.gz", hash = "sha256:d41ff6eb434d71763740ec90d869cb82688e6ff9204c913d8bea13fb75fc8f9a", size = 306574, upload-time = "2026-08-28T23:00:23.877Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/fa/e6/3a1042add765c0e1e67f76a3b0f2036bfe6b0229ace83c6ff9638a5e391b/tox-4.60.0-py3-none-any.whl", hash = "sha256:175abbc4cdef615d66874c0843be4f44c353c14aab6d89939bb22246f84122bd", size = 226332, upload-time = "2026-08-13T23:14:25.324Z" },
+    { url = "https://files.pythonhosted.org/packages/5a/6d/779b14c03ad40a2bfd4ba22316aa1153772fb72f3b1acde229130820518b/tox-4.61.1-py3-none-any.whl", hash = "sha256:90bf9cf074d38ab87bff1753183d96c07e9e99d04acc2230d21f42f7aa89d1c6", size = 227932, upload-time = "2026-08-28T23:00:22.189Z" },
 ]
 
 [[package]]