diff --git a/requirements.txt b/requirements.txt
index c356795b..83f83b04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 mkdocs==1.4.2
 mkdocs-material==9.0.5
 pygments==2.14.0
-pymdown-extensions==9.9
+pymdown-extensions==9.9.1