diff --git a/requirements/docs.txt b/requirements/docs.txt
index 0997b52d2..952e7c09b 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,4 @@
-mkdocs
+mkdocs<2.0.0
 mkdocs-api-autonav
 mkdocs-material
 mkdocstrings-python