--- a/ChangeLog	Tue Jun 23 17:52:47 2020 +0200
+++ b/ChangeLog	Wed Oct 14 18:55:22 2020 +0200
@@ -1,5 +1,8 @@
 ChangeLog
 ---------
+Version 3.1.0:
+- changed exec_() into exec()
+
 Version 3.0.0:
 - removed support for Python2