diff --git a/backend/requirements.txt b/backend/requirements.txt
index e156870..78ee9bc 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -20,4 +20,5 @@ wechatpayv3==2.0.1
 drf-spectacular-sidecar==2026.1.1
 gunicorn==21.2.0
 requests
-django_filters
+django-filter
+