diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ## Version
 
-`0.1.1`
+`0.2.0`
 
 
 ## Description
diff --git a/gen/Network/Google/Books.hs b/gen/Network/Google/Books.hs
--- a/gen/Network/Google/Books.hs
+++ b/gen/Network/Google/Books.hs
@@ -452,6 +452,7 @@
     , nReason
     , nDontShowNotification
     , nNotificationType
+    , nNotificationGroup
     , nIconURL
     , nTitle
 
diff --git a/gen/Network/Google/Books/Types.hs b/gen/Network/Google/Books/Types.hs
--- a/gen/Network/Google/Books/Types.hs
+++ b/gen/Network/Google/Books/Types.hs
@@ -299,6 +299,7 @@
     , nReason
     , nDontShowNotification
     , nNotificationType
+    , nNotificationGroup
     , nIconURL
     , nTitle
 
diff --git a/gen/Network/Google/Books/Types/Product.hs b/gen/Network/Google/Books/Types/Product.hs
--- a/gen/Network/Google/Books/Types/Product.hs
+++ b/gen/Network/Google/Books/Types/Product.hs
@@ -404,7 +404,7 @@
 --
 -- /See:/ 'annotationData' smart constructor.
 data AnnotationData = AnnotationData'
-    { _annEncodedData    :: !(Maybe Base64)
+    { _annEncodedData    :: !(Maybe Bytes)
     , _annKind           :: !Text
     , _annData           :: !(Maybe JSONValue)
     , _annSelfLink       :: !(Maybe Text)
@@ -456,7 +456,7 @@
 annEncodedData
   = lens _annEncodedData
       (\ s a -> s{_annEncodedData = a})
-      . mapping _Base64
+      . mapping _Bytes
 
 -- | Resource Type
 annKind :: Lens' AnnotationData Text
@@ -2401,6 +2401,7 @@
     , _nReason                         :: !(Maybe Text)
     , _nDontShowNotification           :: !(Maybe Bool)
     , _nNotificationType               :: !(Maybe Text)
+    , _nNotificationGroup              :: !(Maybe Text)
     , _nIconURL                        :: !(Maybe Text)
     , _nTitle                          :: !(Maybe Text)
     } deriving (Eq,Show,Data,Typeable,Generic)
@@ -2431,6 +2432,8 @@
 --
 -- * 'nNotificationType'
 --
+-- * 'nNotificationGroup'
+--
 -- * 'nIconURL'
 --
 -- * 'nTitle'
@@ -2449,6 +2452,7 @@
     , _nReason = Nothing
     , _nDontShowNotification = Nothing
     , _nNotificationType = Nothing
+    , _nNotificationGroup = Nothing
     , _nIconURL = Nothing
     , _nTitle = Nothing
     }
@@ -2500,6 +2504,11 @@
   = lens _nNotificationType
       (\ s a -> s{_nNotificationType = a})
 
+nNotificationGroup :: Lens' Notification (Maybe Text)
+nNotificationGroup
+  = lens _nNotificationGroup
+      (\ s a -> s{_nNotificationGroup = a})
+
 nIconURL :: Lens' Notification (Maybe Text)
 nIconURL = lens _nIconURL (\ s a -> s{_nIconURL = a})
 
@@ -2521,6 +2530,7 @@
                      <*> (o .:? "reason")
                      <*> (o .:? "dont_show_notification")
                      <*> (o .:? "notification_type")
+                     <*> (o .:? "notificationGroup")
                      <*> (o .:? "iconUrl")
                      <*> (o .:? "title"))
 
@@ -2540,6 +2550,7 @@
                   ("dont_show_notification" .=) <$>
                     _nDontShowNotification,
                   ("notification_type" .=) <$> _nNotificationType,
+                  ("notificationGroup" .=) <$> _nNotificationGroup,
                   ("iconUrl" .=) <$> _nIconURL,
                   ("title" .=) <$> _nTitle])
 
@@ -3300,8 +3311,6 @@
 sKind :: Lens' Series Text
 sKind = lens _sKind (\ s a -> s{_sKind = a})
 
--- | Series info list. The client always expects this element in the JSON
--- output, hence declared here as OutputAlways.
 sSeries :: Lens' Series [SeriesSeriesItem]
 sSeries
   = lens _sSeries (\ s a -> s{_sSeries = a}) . _Default
diff --git a/gogol-books.cabal b/gogol-books.cabal
--- a/gogol-books.cabal
+++ b/gogol-books.cabal
@@ -1,5 +1,5 @@
 name:                  gogol-books
-version:               0.1.1
+version:               0.2.0
 synopsis:              Google Books SDK.
 homepage:              https://github.com/brendanhay/gogol
 bug-reports:           https://github.com/brendanhay/gogol/issues
@@ -89,5 +89,5 @@
         , Network.Google.Books.Types.Sum
 
     build-depends:
-          gogol-core == 0.1.1.*
+          gogol-core == 0.2.0.*
         , base       >= 4.7 && < 5