diff --git a/main.py b/main.py
index 8538e7e..c8d03bc 100644
--- a/main.py
+++ b/main.py
@@ -12,7 +12,7 @@ import particles as pt
 from reactor import Reactor
 import auxiliary as aux
 
-ver = '0.3.0'
+ver = '0.2.9'
 
 config = aux.ConfigFile("config.toml")