diff --git a/requirements.txt b/requirements.txt
index 8f0047e..d76daba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ pygments==2.20.0
 mike==2.2.0
 
 # Python extensions for Material
-pymdown-extensions==11.0.1
+pymdown-extensions==12.1
 python-dateutil==2.9.0.post0
 
 # Optional (advanced features)