diff --git a/docs/requirements.txt b/docs/requirements.txt
index a4f4bb59..8ea19e90 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,7 +2,7 @@ mkdocs>=1.2.3
 mkdocs-material==7.2.6
 mkdocs-minify-plugin==0.4.0
 mkdocs-redirects==1.0.3
-pymdown-extensions==10.16.1
+pymdown-extensions==10.21.3
 mkdocs-awesome-pages-plugin==2.5.0
 mkdocs-markdownextradata-plugin==0.2.4
 jinja2>=3.1.3