diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<img src="https://raw.githubusercontent.com/divarvel/biscuit-haskell/main/assets/biscuit-logo.png" align=right>
+<img src="https://raw.githubusercontent.com/biscuit-auth/biscuit-haskell/main/assets/biscuit-logo.png" align=right>
 
 # biscuit-servant 🤖 [![Hackage][hackage]][hackage-url]
 
diff --git a/biscuit-servant.cabal b/biscuit-servant.cabal
--- a/biscuit-servant.cabal
+++ b/biscuit-servant.cabal
@@ -1,12 +1,12 @@
 cabal-version: 2.0
 
 name:           biscuit-servant
-version:        0.2.0.1
+version:        0.2.1.0
 category:       Security
 synopsis:       Servant support for the Biscuit security token
-description:    Please see the README on GitHub at <https://github.com/divarvel/biscuit-haskell#readme>
-homepage:       https://github.com/divarvel/biscuit-haskell#readme
-bug-reports:    https://github.com/divarvel/biscuit-haskell/issues
+description:    Please see the README on GitHub at <https://github.com/biscuit-auth/biscuit-haskell#readme>
+homepage:       https://github.com/biscuit-auth/biscuit-haskell#readme
+bug-reports:    https://github.com/biscuit-auth/biscuit-haskell/issues
 author:         Clément Delafargue
 maintainer:     clement@delafargue.name
 copyright:      2021 Clément Delafargue
@@ -19,7 +19,7 @@
 
 source-repository head
   type: git
-  location: https://github.com/divarvel/biscuit-haskell
+  location: https://github.com/biscuit-auth/biscuit-haskell
 
 library
   exposed-modules:
@@ -33,11 +33,11 @@
   ghc-options: -Wall
   build-depends:
     base                 >= 4.7 && <5,
-    biscuit-haskell      ^>= 0.2,
+    biscuit-haskell      >= 0.2.1.0 && < 0.3,
     bytestring           ^>= 0.10,
     mtl                  ^>= 2.2,
     text                 ^>= 1.2,
-    servant-server       ^>= 0.18,
+    servant-server       >= 0.18 && < 0.20,
     wai                  ^>= 3.2
   default-language: Haskell2010
 
diff --git a/src/Auth/Biscuit/Servant.hs b/src/Auth/Biscuit/Servant.hs
--- a/src/Auth/Biscuit/Servant.hs
+++ b/src/Auth/Biscuit/Servant.hs
@@ -36,6 +36,7 @@
   ) where
 
 import           Auth.Biscuit                     as Biscuit
+import           Data.Kind (Type)
 import           Control.Applicative              (liftA2)
 import           Control.Monad.Except             (MonadError, throwError)
 import           Control.Monad.IO.Class           (MonadIO, liftIO)
@@ -200,7 +201,7 @@
 -- succeeds, the handler is ran.
 -- The handler itself is given access to the verified biscuit through
 -- a @ReaderT (Biscuit OpenOrSealed Verified)@.
-data WithAuthorizer m a
+data WithAuthorizer (m :: Type -> Type) (a :: Type)
   = WithAuthorizer
   { handler_    :: ReaderT (Biscuit OpenOrSealed Verified) m a
   -- ^ the wrapped handler, in a 'ReaderT' to give easy access to the biscuit
diff --git a/test/ClientHelpers.hs b/test/ClientHelpers.hs
--- a/test/ClientHelpers.hs
+++ b/test/ClientHelpers.hs
@@ -2,7 +2,6 @@
 {-# LANGUAGE NamedFieldPuns    #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TypeFamilies      #-}
-{-# LANGUAGE TypeOperators     #-}
 module ClientHelpers where
 
 import           Data.Bifunctor           (first)