diff --git a/google-oauth2.cabal b/google-oauth2.cabal
--- a/google-oauth2.cabal
+++ b/google-oauth2.cabal
@@ -1,5 +1,5 @@
 Name:                   google-oauth2
-Version:                0.2.1
+Version:                0.2.2
 Author:                 Pat Brisbin <pbrisbin@gmail.com>
 Maintainer:             Pat Brisbin <pbrisbin@gmail.com>
 License:                MIT
@@ -57,7 +57,7 @@
   Exposed-Modules:      Network.Google.OAuth2
   Build-Depends:        base >= 4 && < 5
                       , HTTP            >= 4000.2       && < 4000.4
-                      , aeson           >= 0.8          && < 0.10
+                      , aeson           >= 0.8          && < 0.12
                       , bytestring
                       , http-conduit
   Default-Extensions:   OverloadedStrings
diff --git a/src/Network/Google/OAuth2.hs b/src/Network/Google/OAuth2.hs
--- a/src/Network/Google/OAuth2.hs
+++ b/src/Network/Google/OAuth2.hs
@@ -34,7 +34,7 @@
     ( Response(..)
     , httpLbs
     , newManager
-    , parseUrl
+    , parseUrlThrow
     , tlsManagerSettings
     , urlEncodedBody
     )
@@ -185,7 +185,7 @@
 
 postTokens :: FromJSON a => [(ByteString, String)] -> IO a
 postTokens params = do
-    request <- parseUrl "https://accounts.google.com/o/oauth2/token"
+    request <- parseUrlThrow "https://accounts.google.com/o/oauth2/token"
 
     let params' = map (second C8.pack) params