--- a/ChangeLog	Wed Jun 24 17:39:57 2020 +0200
+++ b/ChangeLog	Wed Oct 14 19:32:42 2020 +0200
@@ -1,5 +1,8 @@
 ChangeLog
 ---------
+Version 3.1.0:
+- changed code to use the 'open()' context manager
+
 Version 3.0.0:
 - removed support for Python2