diff --git a/COMTool/version.py b/COMTool/version.py
index 3658684..eebf608 100644
--- a/COMTool/version.py
+++ b/COMTool/version.py
@@ -1,7 +1,7 @@
 
 major = 3
 minor = 4
-dev   = 0
+dev   = 1
 
 __version__ = "{}.{}.{}".format(major, minor, dev)