diff --git a/pyproject.toml b/pyproject.toml
index 079964d..8fe2ff5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,7 @@ dev = [
     "pytest-freezegun (>=0.4.2, <1.0.0)",
     "pytest-httpserver (>=1.1.3, <2.0.0)",
     "pytest-mock (>=3.14.0, <4.0.0)",
-    "setuptools (>=78.1.1, <79.0.0)",
+    "setuptools (>=83.0.0, <83.1.0)",
     "types-python-dateutil (>=2.9.0.20250516, <3.0.0)",
     "types-simplejson (>=3.20.0.20250326, <4.0.0)",
 ]
diff --git a/uv.lock b/uv.lock
index b085675..73c1016 100644
--- a/uv.lock
+++ b/uv.lock
@@ -591,7 +591,7 @@ dev = [
     { name = "pytest-freezegun", specifier = ">=0.4.2,<1.0.0" },
     { name = "pytest-httpserver", specifier = ">=1.1.3,<2.0.0" },
     { name = "pytest-mock", specifier = ">=3.14.0,<4.0.0" },
-    { name = "setuptools", specifier = ">=78.1.1,<79.0.0" },
+    { name = "setuptools", specifier = ">=83.0.0,<83.1.0" },
     { name = "types-python-dateutil", specifier = ">=2.9.0.20250516,<3.0.0" },
     { name = "types-simplejson", specifier = ">=3.20.0.20250326,<4.0.0" },
 ]
@@ -1922,11 +1922,11 @@ wheels = [
 
 [[package]]
 name = "setuptools"
-version = "78.1.1"
+version = "83.0.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/81/9c/42314ee079a3e9c24b27515f9fbc7a3c1d29992c33451779011c74488375/setuptools-78.1.1.tar.gz", hash = "sha256:fcc17fd9cd898242f6b4adfaca46137a9edef687f43e6f78469692a5e70d851d", size = 1368163, upload-time = "2025-04-19T18:23:36.68Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/34/26/f5d29e25ffdb535afef2d35cdb55b325298f96debd670da4c325e08d70f4/setuptools-83.0.0.tar.gz", hash = "sha256:025bccbbf0fa05b6192bc64ae1e7b16e001fd6d6d4d5de03c97b1c1ade523bef", size = 1154254, upload-time = "2026-07-04T15:31:22.699Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/90/99/158ad0609729111163fc1f674a5a42f2605371a4cf036d0441070e2f7455/setuptools-78.1.1-py3-none-any.whl", hash = "sha256:c3a9c4211ff4c309edb8b8c4f1cbfa7ae324c4ba9f91ff254e3d305b9fd54561", size = 1256462, upload-time = "2025-04-19T18:23:34.525Z" },
+    { url = "https://files.pythonhosted.org/packages/5d/40/e1e72872c6354b306daef1703549e8e83b4d43cfea356311bf722a043752/setuptools-83.0.0-py3-none-any.whl", hash = "sha256:29b23c360f22f414dc7336bb39178cc7bcbf6021ed2733cde173f09dba19abb3", size = 1008090, upload-time = "2026-07-04T15:31:20.885Z" },
 ]
 
 [[package]]