diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 5c41a2f45..6132a663b 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -12,4 +12,5 @@ libsass
 psycopg2
 pytz
 PyYAML
+trml2pdf>=0.3
 Unipath