diff --git a/pyproject.toml b/pyproject.toml
index 9857ca9..e2669b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ devel = [
 "Bug Tracker" = "https://github.com/imacat/flask-digestauth/issues"
 
 [build-system]
-requires = ["setuptools>=42"]
+requires = ["setuptools>=61"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools.dynamic]