diff --git a/docs/requirements.txt b/docs/requirements.txt
index c861008..f38e07b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-alabaster<0.8
+alabaster<1.1
 jinja2<3.2
 markupsafe<4
 readme-renderer<45