diff --git a/api/filter_set.py b/api/filter_set.py
index 625c4da7a..2b4e06e64 100644
--- a/api/filter_set.py
+++ b/api/filter_set.py
@@ -194,6 +194,7 @@ class Meta:
         fields = {
             "disaster_start_date": ("exact", "gt", "gte", "lt", "lte"),
             "created_at": ("exact", "gt", "gte", "lt", "lte"),
+            "updated_at": ("exact", "gt", "gte", "lt", "lte"),
         }
 
     def get_is_subcribed_event(self, qs, name, value):
diff --git a/assets b/assets
index 63ce633bc..9d3fc12ef 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit 63ce633bcd20f38dd63653e1235404a648bf58f6
+Subproject commit 9d3fc12efaf2f849c55ef881f29cc453b6f87eee