diff --git a/setup.py b/setup.py
index 76b5bded876a..a5e88696058e 100644
--- a/setup.py
+++ b/setup.py
@@ -244,7 +244,8 @@ def get_sphinx_theme_version() -> str:
     'datadog>=0.14.0',
 ]
 doc = [
-    'sphinx>=2.1.2',
+    # Sphinx is limited to < 3.5.0 because of https://github.com/sphinx-doc/sphinx/issues/8880
+    'sphinx>=2.1.2, <3.5.0',
     f'sphinx-airflow-theme{get_sphinx_theme_version()}',
     'sphinx-argparse>=0.1.13',
     'sphinx-autoapi==1.0.0',