diff --git a/requirements-docs.txt b/requirements-docs.txt
index b0de0ab..e0537e4 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,3 +1,3 @@
 mkdocs==1.4.2
 mkdocs-material==9.1.7
-mkdocstrings[python]==0.20.0
+mkdocstrings[python]==0.21.2