diff --git a/HISTORY.rst b/HISTORY.rst
index c381ec09..216eb000 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,5 +1,12 @@
 Release History
 ^^^^^^^^^^^^^^^
+2.2.0 (2015-08-23)
+++++++++++++++++++
+
+* A TVSeason's `episodes` attribute is now dynamically generated from all episodes in that season
+* `sync.rate` and `sync.add_to_history` now properly make valid requests (#21)
+* Note: `sync.add_to_history`'s `watched_at` argument is now expected to be a datetime object, in order to match `sync.rate`
+
 2.1.0 (2015-07-19)
 ++++++++++++++++++
 
diff --git a/trakt/__init__.py b/trakt/__init__.py
index 1853d757..8be3f41d 100644
--- a/trakt/__init__.py
+++ b/trakt/__init__.py
@@ -4,6 +4,6 @@
 except ImportError:
     pass
 
-version_info = (2, 1, 0)
+version_info = (2, 2, 0)
 __author__ = 'Jon Nappi'
 __version__ = '.'.join([str(i) for i in version_info])