Update dependencies

.gitignore

@@ -1,6 +1,7 @@
 *~
 *#*
 /dist
+/dist-newstyle
 .hpc
 *.hi
 *.core

postmark.cabal

@@ -27,12 +27,12 @@ Flag demo
 Library
   Build-Depends:
                     base                            >= 3 && < 5
-                    , aeson                         >= 0.6 && < 2.1
+                    , aeson                         >= 0.6 && < 2.3
                     , attoparsec                    >= 0.10 && < 0.15
-                    , bytestring                    >= 0.9 && < 0.12
-                    , containers                    >= 0.4 && < 0.7
-                    , http-types                    >= 0.6 && < 1
-                    , text                          >= 0.11 && < 1.4
+                    , bytestring                    >= 0.9 && < 0.13
+                    , containers                    >= 0.4 && < 0.9
+                    , http-types                    >= 0.6 && < 1.13
+                    , text                          >= 0.11 && < 2.2
                     , network-api-support           >= 0.3.0 && < 0.4
                     , http-client-tls               >= 0.2.1.1 && < 0.4
 

src/Network/Api/Postmark/Error.hs

@@ -4,8 +4,8 @@ module Network.Api.Postmark.Error (
   PostmarkErrorType (..)
 ) where
 
-import Data.Aeson
-import Data.Text
+import Data.Aeson (FromJSON (..), Value (..), (.:))
+import Data.Text (Text)
 
 -- * Error types