diff --git a/Changelog.yaml b/Changelog.yaml
index bde3841981..3e5dbb06fc 100644
--- a/Changelog.yaml
+++ b/Changelog.yaml
@@ -4,6 +4,14 @@
 # for important features/bug fixes.
 # Also, each release can have new and improved recipes.
 
+- version: 0.7.31
+  date: 2010-11-27
+
+  bug fixes:
+    - title: "Fix various regressions in the calibre windows build caused by the switch to python 2.7. If you are on windows and upgraded to 0.7.30, it is highly recommended that you upgrade to 0.7.31. If you are not on windows, you can ignore 0.7.31"
+      tickets: [7685, 7694, 7691]
+
+
 - version: 0.7.30
   date: 2010-11-26
 
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index ba597fcc30..fc33067f49 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -2,7 +2,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
 __docformat__ = 'restructuredtext en'
 __appname__   = 'calibre'
-__version__   = '0.7.30'
+__version__   = '0.7.31'
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 
 import re