diff --git a/pyproject.toml b/pyproject.toml
index c2d3aa5..2a6a491 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools==83.0.0"]
+requires = ["setuptools==84.0.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -23,7 +23,7 @@ dev = [
   "pytest==9.0.3",
   "pytest-timeout==2.3.1",
   "ruff==0.9.10",
-  "setuptools==83.0.0",
+  "setuptools==84.0.0",
 ]
 
 [tool.setuptools]