diff --git a/keycloak-hs.cabal b/keycloak-hs.cabal
--- a/keycloak-hs.cabal
+++ b/keycloak-hs.cabal
@@ -1,59 +1,59 @@
-name:           keycloak-hs
-version:        1.0.0
-description:    Please see the README on GitHub at <https://github.com/cdupont/keycloak-hs#readme>
-homepage:       https://github.com/cdupont/keycloak-hs#readme
-bug-reports:    https://github.com/cdupont/keycloak-hs/issues
-author:         Corentin Dupont
-maintainer:     corentin.dupont@gmail.com
-copyright:      2019 Corentin Dupont
-license:        BSD3
-license-file:   LICENSE
-build-type:     Simple
-cabal-version:  1.12
+cabal-version: 1.12
+name: keycloak-hs
+version: 1.0.1
+license: BSD3
+license-file: LICENSE
+copyright: 2019 Corentin Dupont
+maintainer: corentin.dupont@gmail.com
+author: Corentin Dupont
+homepage: https://github.com/cdupont/keycloak-hs#readme
+bug-reports: https://github.com/cdupont/keycloak-hs/issues
+description:
+    Please see the README on GitHub at <https://github.com/cdupont/keycloak-hs#readme>
+build-type: Simple
 extra-source-files:
     README.md
     ChangeLog.md
 
 source-repository head
-  type: git
-  location: https://github.com/cdupont/keycloak-hs
+    type: git
+    location: https://github.com/cdupont/keycloak-hs
 
 library
-  exposed-modules:
+    exposed-modules:
         Keycloak.Client
-      , Keycloak.Types
-      , Keycloak
-  other-modules:
-      Paths_keycloak_hs
-  hs-source-dirs:
-      src
-  build-depends:
-      base >=4.7 && <5
-    , http-client
-    , lens
-    , mtl
-    , word8
-    , bytestring
-    , text
-    , aeson
-    , aeson-casing
-    , http-api-data
-    , http-types
-    , hslogger
-    , string-conversions
-    , wreq
-    , base64-bytestring
-    , exceptions
-    , jwt
-    , containers
-    , safe
-  default-language: Haskell2010
-
-Executable example
-  hs-source-dirs:      examples
-  Main-Is:             Main.hs
-  ghc-options:        -threaded -Wall
-  build-depends:       base
-                     , keycloak-hs
-  default-language:    Haskell2010
+        Keycloak.Types
+        Keycloak
+    hs-source-dirs: src
+    other-modules:
+        Paths_keycloak_hs
+    default-language: Haskell2010
+    build-depends:
+        aeson >=1.4 && <1.5,
+        aeson-casing >=0.1 && <0.3,
+        base >=4.7 && <5,
+        base64-bytestring >=1.0 && <1.1,
+        containers >=0.5.9 && <0.7,
+        bytestring >=0.10 && <0.11,
+        exceptions >=0.10 && <0.11,
+        http-api-data >=0.4 && <0.5,
+        http-types >=0.12 && <0.13,
+        http-client >=0.5 && <0.7,
+        hslogger >=1.2 && <1.4,
+        jwt ==0.10.*,
+        lens >=4.17 && <4.19,
+        mtl >=2.2 && <2.3,
+        string-conversions >=0.4 && <0.5,
+        safe >=0.3 && <0.4,
+        text >=1.2 && <1.3,
+        wreq >=0.5 && <0.6,
+        word8 >=0.1 && <0.2
 
+executable example
+    main-is: Main.hs
+    hs-source-dirs: examples
+    default-language: Haskell2010
+    ghc-options: -threaded -Wall
+    build-depends:
+        base >=4.9.1.0 && <5,
+        keycloak-hs -any
diff --git a/src/Keycloak/Client.hs b/src/Keycloak/Client.hs
--- a/src/Keycloak/Client.hs
+++ b/src/Keycloak/Client.hs
@@ -188,7 +188,7 @@
 
 -- | Update a resource
 updateResource :: Resource -> Token -> Keycloak ResourceId
-updateResource r tok = createResource r tok
+updateResource = createResource
 
 -- * Users
 
diff --git a/src/Keycloak/Types.hs b/src/Keycloak/Types.hs
--- a/src/Keycloak/Types.hs
+++ b/src/Keycloak/Types.hs
@@ -115,10 +115,10 @@
 
 -- | Token reply from Keycloak
 data TokenRep = TokenRep {
-  accessToken       :: JWT.JSON,
+  accessToken       :: Text,
   expiresIn         :: Int,
   refreshExpriresIn :: Int,
-  refreshToken      :: JWT.JSON,
+  refreshToken      :: Text,
   tokenType         :: Text,
   notBeforePolicy   :: Int,
   sessionState      :: Text,
@@ -137,7 +137,7 @@
 -- * Permissions
 
 -- | Scope name
-newtype ScopeName = ScopeName {unScopeName :: Text} deriving (Show, Eq, Generic, Ord)
+newtype ScopeName = ScopeName {unScopeName :: Text} deriving (Eq, Generic, Ord)
 
 --JSON instances
 instance ToJSON ScopeName where
@@ -146,6 +146,9 @@
 instance FromJSON ScopeName where
   parseJSON = genericParseJSON (defaultOptions {unwrapUnaryRecords = True})
 
+instance Show ScopeName where
+  show (ScopeName s) = convertString s
+
 -- | Scope Id
 newtype ScopeId = ScopeId {unScopeId :: Text} deriving (Show, Eq, Generic)
 
@@ -185,7 +188,11 @@
 data PermReq = PermReq 
   { permReqResourceId :: Maybe ResourceId, -- Requested ressource Ids. Nothing means "All resources".
     permReqScopes     :: [ScopeName]       -- Scopes requested. [] means "all scopes".
-  } deriving (Generic, Show, Eq, Ord)
+  } deriving (Generic, Eq, Ord)
+
+instance Show PermReq where
+  show (PermReq (Just (ResourceId res1)) scopes) = (show res1) <> " " <> (show scopes)
+  show (PermReq Nothing scopes)                  = "none " <> (show scopes)