diff --git a/pyproject.toml b/pyproject.toml
index 34ddac6..481cb28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 line-length = 79
 
 [build-system]
-requires = ["setuptools>=70.0.0", "wheel"]
+requires = ["setuptools>=68.0.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]