diff --git a/data_file.py b/data_file.py
index 7ef387f..7290d07 100644
--- a/data_file.py
+++ b/data_file.py
@@ -7,8 +7,10 @@ With this module, you can store data in files easyly.
 
 import os
 import json
+from warnings import deprecated
 
 
+@deprecated("This function is not save to use!!!")
 class DictFile:
     """
     This class is not safe to use!