diff --git a/pyproject.toml b/pyproject.toml
index 6b29df0..8a57d97 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=84.0.0"]
+requires = ["setuptools>=84.2.1"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -22,7 +22,7 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-test = ["pytest>=9.2.0,<10", "httpx>=0.28.1,<1", "setuptools>=84.0.0"]
+test = ["pytest>=9.2.0,<10", "httpx>=0.28.1,<1", "setuptools>=84.2.1"]
 
 [tool.setuptools.packages.find]
 where = ["backend"]