diff --git a/requirements.txt b/requirements.txt
index aea07644..c0b1473a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ nltk==3.9.4
 pandas==2.3.3
 pep562==1.1
 Pygments==2.20.0
-pymdown-extensions==10.20
+pymdown-extensions==10.21.3
 python-dateutil==2.9.0.post0
 pytz==2025.2
 PyYAML==6.0.3