diff --git a/common/utils/extend_json_encoder.py b/common/utils/extend_json_encoder.py
index 3232ccd393..3b5ba5110b 100644
--- a/common/utils/extend_json_encoder.py
+++ b/common/utils/extend_json_encoder.py
@@ -9,6 +9,8 @@
 from uuid import UUID
 from bson.objectid import ObjectId
 from bson.timestamp import Timestamp
+from bson.decimal128 import Decimal128
+from bson.regex import Regex
 
 
 @singledispatch
@@ -71,6 +73,16 @@ def _(o):
     return str(o)
 
 
+@convert.register(Decimal128)
+def _(o):
+    return str(o)
+
+
+@convert.register(Regex)
+def _(o):
+    return str(o)
+
+
 class ExtendJSONEncoder(json.JSONEncoder):
     def default(self, obj):
         try: