diff --git a/backend/requirements.txt b/backend/requirements.txt
index b95e88b..a4be06f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -7,7 +7,7 @@ python-multipart==0.0.22
 python-dotenv==1.0.0
 watchdog==3.0.0
 markdown==3.6
-pymdown-extensions==10.16.1
+pymdown-extensions==10.21.3
 passlib[argon2]==1.7.4
 argon2-cffi==23.1.0
 python-jose[cryptography]==3.3.0