diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3b87c021c..7f669ad12 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 mkdocs==1.4.3
-mkdocs-material==9.1.20
+mkdocs-material==9.1.21
 pymdown-extensions==10.1