diff --git a/IM/InfrastructureList.py b/IM/InfrastructureList.py
index eff8673b..12e366d8 100644
--- a/IM/InfrastructureList.py
+++ b/IM/InfrastructureList.py
@@ -234,10 +234,12 @@ def _save_data_to_db(db_url, inf_list, inf_id=None):
                 data = inf.serialize()
                 if db.db_type == DataBase.MONGO:
                     res = db.replace("inf_list", {"id": inf.id}, {"id": inf.id, "deleted": int(inf.deleted),
-                                                                  "data": data, "date": time.time()})
+                                                                  "data": data, "date": time.time(),
+                                                                  "auth": inf.auth.serialize()})
                 else:
-                    res = db.execute("replace into inf_list (id, deleted, data, date) values (%s, %s, %s, now())",
-                                     (inf.id, int(inf.deleted), data))
+                    res = db.execute("replace into inf_list (id, deleted, data, date, auth)"
+                                     " values (%s, %s, %s, now(), %s)",
+                                     (inf.id, int(inf.deleted), data, inf.auth.serialize()))
 
             db.close()
             return res
diff --git a/IM/db.py b/IM/db.py
index 8a27e388..1685330a 100644
--- a/IM/db.py
+++ b/IM/db.py
@@ -281,6 +281,17 @@ def replace(self, table_name, filt, replacement):
             res = self.connection[table_name].replace_one(filt, replacement, True)
             return res.modified_count == 1 or res.upserted_id is not None
 
+    def update(self, table_name, filt, updates):
+        """ insert/replace elements """
+        if self.db_type != DataBase.MONGO:
+            raise Exception("Operation only supported in MongoDB")
+
+        if self.connection is None:
+            raise Exception("DataBase object not connected")
+        else:
+            res = self.connection[table_name].update_one(filt, updates, True)
+            return res.modified_count == 1 or res.upserted_id is not None
+
     def delete(self, table_name, filt):
         """ delete elements """
         if self.db_type != DataBase.MONGO:
diff --git a/scripts/db_1_14_X_to_1_15_X.py b/scripts/db_1_14_X_to_1_15_X.py
index a12e082d..8fecaa44 100644
--- a/scripts/db_1_14_X_to_1_15_X.py
+++ b/scripts/db_1_14_X_to_1_15_X.py
@@ -77,7 +77,10 @@ def get_data_from_db(db, inf_id):
                     print(inf_id)
                     if inf:
                         auth = inf.auth.serialize()
-                        res = db.execute("UPDATE `inf_list` SET `auth` = %s WHERE id = %s", (auth, inf_id))
+                        if db.db_type == DataBase.MONGO:
+                            res = db.update("inf_list", {"id": inf_id}, {"auth": auth})
+                        else:
+                            res = db.execute("UPDATE `inf_list` SET `auth` = %s WHERE id = %s", (auth, inf_id))
                 except Exception as e:
                     sys.stderr.write("Error updating auth field in Inf ID: %s. Ignoring.\n" % inf_id)
         else:
diff --git a/test/unit/db.py b/test/unit/db.py
index 51eedb43..c662dd03 100644
--- a/test/unit/db.py
+++ b/test/unit/db.py
@@ -63,7 +63,7 @@ def test_mysql_db(self, mdb_conn):
 
         db.close()
 
-    @patch('IM.db.MongoClient')
+    @patch('IM.db.MongoClient') 
     def test_mongo_db(self, mongo):
         client = MagicMock()
         mongo.return_value = client
@@ -88,6 +88,10 @@ def test_mongo_db(self, mongo):
         self.assertTrue(res)
         self.assertEqual(table.replace_one.call_args_list[0][0], ({}, {'data': 'test1', 'id': 1}, True))
 
+        res = db.update('table', {'id': 1}, {'data': 'test1'})
+        self.assertTrue(res)
+        self.assertEqual(table.update_one.call_args_list[0][0], ({'id': 1}, {'data': 'test1'}, True))
+
         table.find.return_value = [{'id': 2, 'data': 'test2', '_id': 2}]
         res = db.find('table', {'id': 2}, {'data': True})
         self.assertEqual(len(res), 1)