diff --git a/Changelog.md b/Changelog.md
index 959075c..9310c1b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -15,6 +15,34 @@ Note to mainainers:
 * The following excerpt is only usefull when rendered in the website.
 {:toc}
 
+
+### OfflineIMAP v6.6.0-rc3 (2015-11-05)
+
+#### Notes
+
+Changes are slowing down and the code is under serious testing by some new
+contributors. Everything expected at this time in the release cycle. Thanks to
+them.
+
+SSL is now enabled by default to prevent from sending private data in clear
+stream to the wild.
+
+#### Features
+
+- Add new config option `filename_use_mail_timestamp`.
+
+#### Fixes
+
+- Bump from imaplib2 v2.51 to v2.52.
+- Minor fixes.
+
+#### Changes
+
+- Enable SSL by default.
+- Fix: avoid writing password to log.
+- offlineimap.conf: improve namtrans doc a bit.
+
+
 ### OfflineIMAP v6.6.0-rc2 (2015-10-15)
 
 #### Notes
diff --git a/offlineimap/__init__.py b/offlineimap/__init__.py
index e785c98..aa19add 100644
--- a/offlineimap/__init__.py
+++ b/offlineimap/__init__.py
@@ -2,7 +2,7 @@ __all__ = ['OfflineImap']
 
 __productname__ = 'OfflineIMAP'
 __version__     = "6.6.0"
-__revision__    = "-rc2"
+__revision__    = "-rc3"
 __bigversion__  = __version__ + __revision__
 __copyright__   = "Copyright 2002-2015 John Goerzen & contributors"
 __author__      = "John Goerzen"