diff --git a/docs/requirements.txt b/docs/requirements.txt
index f57759f..cdbd0c1 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,4 +6,4 @@ nbsphinx
 sphinx
 sphinx-autoapi
 sphinx-copybutton
-sphinx-rtd-theme>=3.0
+sphinx-rtd-theme>=3.1.0