diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 #Change Log
+##0.6.3
+* Support aeson 0.10
+* Added support for multiple HTTP attempts per command request, using the new WDConfig field wdHTTPRetryCount
+
 ##0.6.2.1
 * Supports vector 0.11, aeson 0.9, attoparsec 0.13
 
diff --git a/src/Test/WebDriver/Capabilities.hs b/src/Test/WebDriver/Capabilities.hs
--- a/src/Test/WebDriver/Capabilities.hs
+++ b/src/Test/WebDriver/Capabilities.hs
@@ -233,7 +233,7 @@
           req :: FromJSON a => Text -> Parser a
           req = (o .:)            -- required field
           opt :: FromJSON a => Text -> a -> Parser a
-          opt k d = o .:? k .!= d -- optional field
+          opt k d = o .:?? k .!= d -- optional field
           b :: Text -> Parser (Maybe Bool)
           b k = opt k Nothing     -- Maybe Bool field
 
diff --git a/src/Test/WebDriver/Commands.hs b/src/Test/WebDriver/Commands.hs
--- a/src/Test/WebDriver/Commands.hs
+++ b/src/Test/WebDriver/Commands.hs
@@ -347,7 +347,7 @@
       req :: FromJSON a => Text -> Parser a
       req = (o .:)
       opt :: FromJSON a => Text -> a -> Parser a
-      opt k d = o .:? k .!= d
+      opt k d = o .:?? k .!= d
   parseJSON v = typeMismatch "Cookie" v
 
 -- |Retrieve all cookies visible to the current page.
diff --git a/src/Test/WebDriver/Config.hs b/src/Test/WebDriver/Config.hs
--- a/src/Test/WebDriver/Config.hs
+++ b/src/Test/WebDriver/Config.hs
@@ -34,6 +34,8 @@
     , wdBasePath :: String
      -- |Use the given http-client 'Manager' instead of the default
     , wdHTTPManager :: Maybe Manager
+     -- |Number of times to retry a HTTP request if it times out (default 0)
+    , wdHTTPRetryCount :: Int
 
 }
 
@@ -46,6 +48,7 @@
     , wdKeepSessHist      = False
     , wdBasePath          = "/wd/hub"
     , wdHTTPManager       = Nothing
+    , wdHTTPRetryCount    = 0
     }
 
 {- |A default session config connects to localhost on port 4444, and hasn't been
@@ -64,7 +67,8 @@
                    , wdSessId = Nothing
                    , wdSessHist = []
                    , wdSessHistUpdate = histUpdate
-                   , wdSessHTTPManager = manager }
+                   , wdSessHTTPManager = manager
+                   , wdSessHTTPRetryCount = wdHTTPRetryCount }
   where
     createManager = liftBase $ newManager defaultManagerSettings
     histUpdate
diff --git a/src/Test/WebDriver/Internal.hs b/src/Test/WebDriver/Internal.hs
--- a/src/Test/WebDriver/Internal.hs
+++ b/src/Test/WebDriver/Internal.hs
@@ -19,7 +19,7 @@
 import Test.WebDriver.JSON
 import Test.WebDriver.Session
 
-import Network.HTTP.Client (httpLbs, Request(..), RequestBody(..), Response(..))
+import Network.HTTP.Client (httpLbs, Request(..), RequestBody(..), Response(..), HttpException(ResponseTimeout))
 import Network.HTTP.Types.Header
 import Network.HTTP.Types.Status (Status(..))
 import Data.Aeson
@@ -32,12 +32,12 @@
 import Data.ByteString.Lazy.Char8 as LBS (length, unpack, null, fromStrict)
 import qualified Data.ByteString.Char8 as BS
 import qualified Data.ByteString.Base64.Lazy as B64
-
+import System.IO (hPutStrLn, stderr)
 
 import Control.Monad.Base
 import Control.Exception.Lifted (throwIO)
 import Control.Applicative
-import Control.Exception (SomeException, toException)
+import Control.Exception (SomeException, toException, catch)
 
 import Control.Exception (Exception)
 import Data.Typeable (Typeable)
@@ -68,10 +68,19 @@
 sendHTTPRequest :: (WDSessionState s) => Request -> s (Response ByteString)
 sendHTTPRequest req = do
   s@WDSession{..} <- getSession
-  res <- liftBase $ httpLbs req wdSessHTTPManager
+  res <- liftBase $ retryOnTimeout wdSessHTTPRetryCount $ httpLbs req wdSessHTTPManager
   putSession s {wdSessHist = wdSessHistUpdate (req, res) wdSessHist} 
   return res
-  
+
+retryOnTimeout :: Int -> IO a -> IO a
+retryOnTimeout retryCount go = go `catch` handleTimeout
+  where
+  handleTimeout ResponseTimeout
+    | retryCount > 0 = do
+        hPutStrLn stderr "HTTP request timed out - retrying"
+        retryOnTimeout (retryCount - 1) go
+
+  handleTimeout e = throwIO e
  
 -- |Parses a 'WDResponse' object from a given HTTP response.
 getJSONResult :: (WDSessionState s, FromJSON a) => Response ByteString -> s (Either SomeException a)
@@ -185,9 +194,9 @@
                   deriving (Eq, Show)
 
 instance FromJSON WDResponse where
-  parseJSON (Object o) = WDResponse <$> o .:? "sessionId" .!= Nothing
+  parseJSON (Object o) = WDResponse <$> o .:?? "sessionId" .!= Nothing
                                     <*> o .: "status"
-                                    <*> o .:? "value" .!= Null
+                                    <*> o .:?? "value" .!= Null
   parseJSON v = typeMismatch "WDResponse" v
 
 
@@ -332,7 +341,7 @@
     where req :: FromJSON a => Text -> Parser a
           req = (o .:)            --required key
           opt :: FromJSON a => Text -> a -> Parser a
-          opt k d = o .:? k .!= d --optional key
+          opt k d = o .:?? k .!= d --optional key
   parseJSON v = typeMismatch "FailedCommandInfo" v
 
 instance FromJSON StackFrame where
diff --git a/src/Test/WebDriver/JSON.hs b/src/Test/WebDriver/JSON.hs
--- a/src/Test/WebDriver/JSON.hs
+++ b/src/Test/WebDriver/JSON.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE OverloadedStrings, FlexibleContexts, DeriveDataTypeable #-}
+{-# LANGUAGE OverloadedStrings, FlexibleContexts, DeriveDataTypeable, CPP #-}
 -- |A collection of convenience functions for using and parsing JSON values
 -- within 'WD'. All monadic parse errors are converted to asynchronous
 -- 'BadJSON' exceptions.
@@ -7,7 +7,7 @@
 -- be useful for implementing non-standard commands.
 module Test.WebDriver.JSON
        ( -- * Access a JSON object key
-         (!:)
+         (!:), (.:??)
          -- * Conversion from JSON within WD
          -- |Apostrophes are used to disambiguate these functions
          -- from their "Data.Aeson" counterparts.
@@ -90,6 +90,18 @@
 -- |This operator is a wrapper over Aeson's '.:' operator.
 (!:) :: (MonadBaseControl IO wd, FromJSON a) => Object -> Text -> wd a
 o !: k = aesonResultToWD $ parse (.: k) o
+
+
+-- |Emulates the behavior of '.:?' in Aeson versions \< 0.10, allowing the field to be either missing or 'Null' if the result type is a 'Maybe'.
+-- In newer Aeson versions (\>= 0.10), this is equivalent to:
+--
+-- > fmap join (o .:? k)
+(.:??) :: FromJSON a => Object -> Text -> Parser (Maybe a)
+#if MIN_VERSION_aeson(0,10,0)
+o .:?? k = fmap join (o .:? k)
+#else
+(.:??) = (.:?)
+#endif
 
 
 -- |Parse a JSON 'Object' as a pair. The first two string arguments specify the
diff --git a/src/Test/WebDriver/Session.hs b/src/Test/WebDriver/Session.hs
--- a/src/Test/WebDriver/Session.hs
+++ b/src/Test/WebDriver/Session.hs
@@ -60,6 +60,9 @@
                                                  -> [(Request, Response LBS.ByteString)]
                              -- |HTTP 'Manager' used for connection pooling by the http-client library.
                            , wdSessHTTPManager :: Manager
+
+                             -- |Number of times to retry a HTTP request if it times out
+                           , wdSessHTTPRetryCount :: Int
                            }
     
 -- |The last HTTP request issued by this session, if any.
diff --git a/webdriver.cabal b/webdriver.cabal
--- a/webdriver.cabal
+++ b/webdriver.cabal
@@ -1,10 +1,10 @@
 Name: webdriver
-Version: 0.6.2.1
+Version: 0.6.3
 Cabal-Version: >= 1.8
 License: BSD3
 License-File: LICENSE
 Author: Adam Curtis
-Maintainer: acurtis@spsu.edu
+Maintainer: kallisti.dev@gmail.com
 Homepage: https://github.com/kallisti-dev/hs-webdriver
 Category: Web, Browser, Testing
 Synopsis: a Haskell client for the Selenium WebDriver protocol
@@ -34,7 +34,7 @@
   hs-source-dirs: src
   ghc-options: -Wall
   build-depends:   base == 4.*
-                 , aeson >= 0.6.2.0 && < 0.10
+                 , aeson >= 0.6.2.0 && < 0.11
                  , http-client >= 0.3 && < 0.5
                  , http-types >= 0.8 && < 0.9
                  , text >= 0.11.3 && < 1.3