diff --git a/Changelog.yaml b/Changelog.yaml
index ad8e321992..1fadcd3933 100644
--- a/Changelog.yaml
+++ b/Changelog.yaml
@@ -20,7 +20,7 @@
 #   new recipes:
 #     - title:
 
-- version: 3.33.0
+- version: 3.33.1
   date: 2018-10-19
 
   new features:
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index 2443d15bad..dd156b8cbe 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -6,7 +6,7 @@ from polyglot.builtins import map
 import sys, locale, codecs, os, importlib, collections
 
 __appname__   = u'calibre'
-numeric_version = (3, 33, 0)
+numeric_version = (3, 33, 1)
 __version__   = u'.'.join(map(unicode, numeric_version))
 __author__    = u"Kovid Goyal <kovid@kovidgoyal.net>"