diff --git a/Changelog.txt b/Changelog.txt
index 4d674f345c..25bfef8fe4 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -24,7 +24,7 @@
 # }}}
 
 
-{{{ 5.4.1 2020-10-30
+{{{ 5.4.2 2020-10-30
 
 :: new features
 
@@ -88,6 +88,8 @@
 
 - Fix a rare issue where restarting calibre from within the program would fail.
 
+- Version 5.4.2 fixes bugs in 5.4.0 that prevented calibre from starting on macOS and from choosing save file names on Windows.
+
 :: improved recipes
 
 - Psychology Today
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index b75d705d0d..386270cda5 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -5,7 +5,7 @@ from polyglot.builtins import map, unicode_type, environ_item, hasenv, getenv
 import sys, locale, codecs, os, collections
 
 __appname__   = 'calibre'
-numeric_version = (5, 4, 1)
+numeric_version = (5, 4, 2)
 __version__   = '.'.join(map(unicode_type, numeric_version))
 git_version   = None
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"