diff --git a/pyproject.toml b/pyproject.toml
index d475d56..d690044 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
 maintainers = [
     {name = "Gabriele Röger", email = "gabriele.roeger@unibas.ch"},
 ]
-dependencies = ["setuptools>=75.3.0"]
+dependencies = ["setuptools>=65.6.0"]
 classifiers = [
     "Development Status :: 4 - Beta",
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",