diff --git a/src/panoptes/utils/serializers.py b/src/panoptes/utils/serializers.py
index 0df86925..99ff451f 100644
--- a/src/panoptes/utils/serializers.py
+++ b/src/panoptes/utils/serializers.py
@@ -310,7 +310,7 @@ def deserialize_all_objects(obj):
                     return u.Quantity(obj)
 
     # Try to parse a ISO-8061 datetime string.
-    with suppress(TypeError, ValueError):
+    with suppress(Exception):
         return date_parse(obj)
 
     return obj