diff --git a/requirements.txt b/requirements.txt
index 89ed8dfe..3f8359c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ paginate==0.5.7 ; python_version >= "3.12" and python_version < "4"
 pathspec==1.1.1 ; python_version >= "3.12" and python_version < "4"
 platformdirs==4.11.5 ; python_version >= "3.12" and python_version < "4"
 pygments==2.21.0 ; python_version >= "3.12" and python_version < "4"
-pymdown-extensions==11.0.2 ; python_version >= "3.12" and python_version < "4"
+pymdown-extensions==12.3 ; python_version >= "3.12" and python_version < "4"
 pyparsing==3.3.3 ; python_version >= "3.12" and python_version < "4"
 python-dateutil==2.9.0.post0 ; python_version >= "3.12" and python_version < "4"
 python-markdown-math==0.9 ; python_version >= "3.12" and python_version < "4"