diff --git a/requirements.txt b/requirements.txt
index 2a7760fcb..674b9ad45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Markdown==3.1.1
 phpserialize==1.3.0 # phpserialize is only required during the migration
 psycopg2==2.8.6
 pyjwt==1.7.1
-pymdown-extensions==6.2.1
+pymdown-extensions==9.9.2
 pyproj==3.1.0
 pyramid-jwtauth==0.1.3
 pyramid==1.10.8