diff --git a/pyproject.toml b/pyproject.toml
index d828fc9f..2a172bef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-    "setuptools==75.8.2",
+    "setuptools==75.9.1",
     "setuptools-scm==8.2.0",
 ]
 
diff --git a/template/pyproject.toml.jinja b/template/pyproject.toml.jinja
index f400ee46..57b90f5b 100644
--- a/template/pyproject.toml.jinja
+++ b/template/pyproject.toml.jinja
@@ -4,7 +4,7 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-    "setuptools==75.8.2",
+    "setuptools==75.9.1",
     "setuptools-scm==8.2.0",
 ]