diff --git a/doc-requirements.txt b/doc-requirements.txt
index 76713758d07ba4c8ecb2298b3602bb801c5c6197..8cf4d3a640857db5fca30dc54524b0634db4e423 100644
--- a/doc-requirements.txt
+++ b/doc-requirements.txt
@@ -3,5 +3,5 @@ doc8==1.1.1
 mkdocs==1.4.2
 mkdocs-material==9.1.3
 mkdocstrings==0.20.0
-mkdocstrings-python==0.8.3
+mkdocstrings-python==0.9.0
 recommonmark==0.7.1