diff --git a/requirements.txt b/requirements.txt
index 5afa3a9a..1762dbaa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 mkdocs==1.1.2
-mkdocs-material==5.5.6
+mkdocs-material==5.5.9
 pygments==2.6.1
 pymdown-extensions==7.1.0