diff --git a/docs/requirements.txt b/docs/requirements.txt
index 50ba20da..6a4c65f0 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -57,7 +57,7 @@ platformdirs==4.3.8
     # via mkdocs-get-deps
 pygments==2.19.1
     # via mkdocs-material
-pymdown-extensions==10.16.1
+pymdown-extensions==10.21.3
     # via mkdocs-material
 python-dateutil==2.9.0.post0
     # via ghp-import