diff --git a/buster/preferences.d/entrouvert-debian-backports b/buster/preferences.d/entrouvert-debian-backports
index e09c244..92e72df 100644
--- a/buster/preferences.d/entrouvert-debian-backports
+++ b/buster/preferences.d/entrouvert-debian-backports
@@ -8,6 +8,10 @@ Package: python3-django
 Pin: release a=buster-backports
 Pin-Priority: 900
 
+Package: python3-django-filters
+Pin: release a=buster-backports
+Pin-Priority: 900
+
 #
 # libjs-pdf, our *old* version
 #