diff --git a/tox.ini b/tox.ini
index ec3a59366..79d692599 100644
--- a/tox.ini
+++ b/tox.ini
@@ -218,3 +218,6 @@ setenv =
     {[pinned]setenv}
 commands =
     pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -k s3}
+
+[build-system]
+build-backend = 'setuptools.build_meta'
\ No newline at end of file