diff --git a/mangopay.cabal b/mangopay.cabal
--- a/mangopay.cabal
+++ b/mangopay.cabal
@@ -1,5 +1,5 @@
 name:           mangopay
-version:        1.6.2
+version:        1.6.3
 cabal-version:  >= 1.8
 build-type:     Simple
 author:         JP Moresmau <jpmoresmau@gmail.com>
@@ -34,14 +34,14 @@
        base                 >= 4    && < 5
      , bytestring           >= 0.9
      , text                 >= 0.11
-     , transformers         >= 0.2  && < 0.4
+     , transformers         >= 0.2  && < 0.5
      , transformers-base
      , monad-control
      , resourcet
      , http-types
      , http-conduit         >= 2.0  && < 2.2
-     , attoparsec           >= 0.10 && < 0.12
-     , aeson                >= 0.5  && < 0.8
+     , attoparsec           >= 0.10 && < 0.13
+     , aeson                >= 0.7  && < 0.8
      , time
      , data-default
      , lifted-base