diff --git a/docs/requirements.txt b/docs/requirements.txt
index 306f18226..13c555ec5 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 mkdocs==1.4.2
 mkdocs-material==8.5.11
-pymdown-extensions==9.8
+pymdown-extensions==9.9