diff --git a/data_file.py b/data_file.py
index bab3235..06df39a 100644
--- a/data_file.py
+++ b/data_file.py
@@ -7,10 +7,10 @@ With this module, you can store data in files easyly.
 
 import os
 import json
-from warnings import deprecated
+from deprecated import deprecated
 
 
-@deprecated("This function is not safe to use!!!")
+@deprecated(reason="This function is not safe to use!!!")
 class DictFile:
     """
     This class is not safe to use!