diff --git a/pyproject.toml b/pyproject.toml
index fd82fdb..7ae2bcf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dev = [
     "flake8==7.3.0",
     "werkzeug==3.1.7",
     "pytest-httpserver==1.1.5",
-    "tox==4.50.3",
+    "tox==4.51.0",
     "pytest-cov==7.1.0",
     "types-requests>=2.32.0,<3",
     "isort==7.0.0",
diff --git a/uv.lock b/uv.lock
index b6cf808..847f99c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -49,7 +49,7 @@ dev = [
     { name = "pytest", specifier = "==8.4.2" },
     { name = "pytest-cov", specifier = "==7.1.0" },
     { name = "pytest-httpserver", specifier = "==1.1.5" },
-    { name = "tox", specifier = "==4.50.3" },
+    { name = "tox", specifier = "==4.51.0" },
     { name = "types-requests", specifier = ">=2.32.0,<3" },
     { name = "werkzeug", specifier = "==3.1.7" },
     { name = "wheel", specifier = "==0.46.3" },
@@ -789,15 +789,15 @@ wheels = [
 
 [[package]]
 name = "python-discovery"
-version = "1.2.0"
+version = "1.2.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "filelock" },
     { name = "platformdirs" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/9c/90/bcce6b46823c9bec1757c964dc37ed332579be512e17a30e9698095dcae4/python_discovery-1.2.0.tar.gz", hash = "sha256:7d33e350704818b09e3da2bd419d37e21e7c30db6e0977bb438916e06b41b5b1", size = 58055, upload-time = "2026-03-19T01:43:08.248Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/b9/88/815e53084c5079a59df912825a279f41dd2e0df82281770eadc732f5352c/python_discovery-1.2.1.tar.gz", hash = "sha256:180c4d114bff1c32462537eac5d6a332b768242b76b69c0259c7d14b1b680c9e", size = 58457, upload-time = "2026-03-26T22:30:44.496Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/c2/3c/2005227cb951df502412de2fa781f800663cccbef8d90ec6f1b371ac2c0d/python_discovery-1.2.0-py3-none-any.whl", hash = "sha256:1e108f1bbe2ed0ef089823d28805d5ad32be8e734b86a5f212bf89b71c266e4a", size = 31524, upload-time = "2026-03-19T01:43:07.045Z" },
+    { url = "https://files.pythonhosted.org/packages/67/0f/019d3949a40280f6193b62bc010177d4ce702d0fce424322286488569cd3/python_discovery-1.2.1-py3-none-any.whl", hash = "sha256:b6a957b24c1cd79252484d3566d1b49527581d46e789aaf43181005e56201502", size = 31674, upload-time = "2026-03-26T22:30:43.396Z" },
 ]
 
 [[package]]
@@ -1030,7 +1030,7 @@ wheels = [
 
 [[package]]
 name = "tox"
-version = "4.50.3"
+version = "4.51.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cachetools" },
@@ -1040,14 +1040,15 @@ dependencies = [
     { name = "platformdirs" },
     { name = "pluggy" },
     { name = "pyproject-api" },
+    { name = "python-discovery" },
     { name = "tomli", version = "2.4.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
     { name = "tomli-w" },
     { name = "typing-extensions", marker = "python_full_version < '3.11'" },
     { name = "virtualenv" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ae/45/e4c0ac54af794f992790abe350770bb1fa6d5a85b25d47b6182c83ec7915/tox-4.50.3.tar.gz", hash = "sha256:c745641de6cc4f19d066bd9f98c1c25f7affb005b381b7f3694a1f142ea0946b", size = 266455, upload-time = "2026-03-20T01:17:59.351Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d1/fb/0ce24c8d1322f92be112ffb915cfa9ee7d0886042aa91baf76ba68344410/tox-4.51.0.tar.gz", hash = "sha256:e3967c0c2d7318d0b14a38d8cbb6ec2d12008574d612c1774fd00d376c7d5e6a", size = 268657, upload-time = "2026-03-27T16:54:32.641Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/fe/ab/369d60db70d9031341082842071541f2497741b04140816c7df82734faf6/tox-4.50.3-py3-none-any.whl", hash = "sha256:5e788a512bfe6f7447e0c8d7c1b666eb2e56e5e676c65717490423bec37d1a07", size = 207667, upload-time = "2026-03-20T01:17:57.553Z" },
+    { url = "https://files.pythonhosted.org/packages/b5/13/2795d1a323243af993c1689be41f124193fc7f955a7549c7442ea7b014ef/tox-4.51.0-py3-none-any.whl", hash = "sha256:df848c4d9864ec6333c6e2b427fdc182b9f1d840d2bed072997bd48104269182", size = 208352, upload-time = "2026-03-27T16:54:31.271Z" },
 ]
 
 [[package]]