diff --git a/requirements.txt b/requirements.txt
index f7a68721b..a76bdbe67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ paginate==0.5.7
 pathspec==1.0.4
 platformdirs==4.7.0
 Pygments==2.19.2
-pymdown-extensions==10.20.1
+pymdown-extensions==10.21
 pyquery==2.0.1
 python-dateutil==2.9.0.post0
 PyYAML==6.0.3