diff --git a/IR_image_tools.py b/IR_image_tools.py
index 8622cb3d87b143dee5b478614d26970366589f93..92342946174c0a43a1c427257c4270d972c81943 100644
--- a/IR_image_tools.py
+++ b/IR_image_tools.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """
 Created on Wed May  9 14:56:32 2018
-Version: 3.2.5
+Version: 3.3.0
 @author: Holger Niemann, Peter Drewelow, Yu Gao
 
 mainly to clean up the downloadversionIRdata code