diff --git a/pyproject.toml b/pyproject.toml
index 1e3acd2..0ecca1e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools>=50.3.0", "wheel"]
+requires = ["setuptools>=81.0.0", "wheel"]
 build-backend = "setuptools.build_meta:__legacy__"
diff --git a/requirements.txt b/requirements.txt
index 5dbb2fd..2773883 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-setuptools>=39.0.1
+setuptools>=81.0.0
 requests>=2.20.0
 sphinx~=7.4
 dnspython~=2.8