diff --git a/requirements.txt b/requirements.txt
index 9f9ebfee..a5d3cdd6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 mkdocs==1.2.2
 mkdocs-material==7.3.0
 pygments==2.10.0
-pymdown-extensions==8.2
+pymdown-extensions==9.0