diff --git a/pyproject.toml b/pyproject.toml
index 502f640bb..121ac357f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ optional = [
   "pygments>=2.17,<2.20",
   "pyyaml>=5.3.1,<6.1",
   # setuptools is needed for coreapi (imports pkg_resources)
-  "setuptools",
+  "setuptools<82",
 ]
 django42 = [ "django>=4.2,<5.0" ]
 django50 = [ "django>=5.0,<5.1" ]