diff --git a/Changelog.txt b/Changelog.txt
index 2083363d2d..e55e9ac793 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -23,7 +23,7 @@
 # - title by author
 # }}}
 
-{{{ 7.5.0 2024-02-09
+{{{ 7.5.1 2024-02-09
 
 :: new features
 
@@ -52,6 +52,8 @@
 
 - Fix a regression in 7.2 that caused the popup used for editing fields in the book list to be mis-positioned on very wide monitors
 
+- Version 7.5.1 fixes a bug in 7.5.0 where calibre would not start up using dark colors when the system was in dark mode on some windows installs
+
 :: improved recipes
 - El Diplo
 - Science News
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index b3d54af614..27785b339d 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -5,7 +5,7 @@ from functools import lru_cache
 import sys, locale, codecs, os, collections, collections.abc
 
 __appname__   = 'calibre'
-numeric_version = (7, 5, 0)
+numeric_version = (7, 5, 1)
 __version__   = '.'.join(map(str, numeric_version))
 git_version   = None
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"