diff --git a/tgc_gui.py b/tgc_gui.py
index 0dde65c..7113ef0 100644
--- a/tgc_gui.py
+++ b/tgc_gui.py
@@ -20,7 +20,7 @@
 from tgc_visualizer import drawCourseAsImage
 import OSMTGC
 
-TGC_GUI_VERSION = "0.3.3"
+TGC_GUI_VERSION = "0.4.0"
 
 image_width = 500
 image_height = 500