diff --git a/python/cac_tripplanner/requirements.txt b/python/cac_tripplanner/requirements.txt
index 1b9732ad..d8c0e4aa 100644
--- a/python/cac_tripplanner/requirements.txt
+++ b/python/cac_tripplanner/requirements.txt
@@ -7,6 +7,7 @@ django-extensions==3.1.5
 django-storages==1.10.1
 easy-thumbnails==2.8.1
 gunicorn==20.0.4
+lxml==4.9.2
 Pillow==7.2.0
 psycopg2-binary==2.8.6
 pytz==2020.1