diff --git a/requirements.txt b/requirements.txt
index 7846630..e17e359 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 scrapy>=2.6
+greenlet>=3.1  # For installing with python3.13 (see https://github.com/python-greenlet/greenlet/issues/406)
 pyppeteer
 syncer
 bs4