diff --git a/src/Data/Generics/Aliases.hs b/src/Data/Generics/Aliases.hs
--- a/src/Data/Generics/Aliases.hs
+++ b/src/Data/Generics/Aliases.hs
@@ -1,5 +1,5 @@
 {-# OPTIONS_GHC -cpp                  #-}
-{-# LANGUAGE Rank2Types               #-}
+{-# LANGUAGE RankNTypes               #-}
 
 -----------------------------------------------------------------------------
 -- |
diff --git a/src/Data/Generics/Schemes.hs b/src/Data/Generics/Schemes.hs
--- a/src/Data/Generics/Schemes.hs
+++ b/src/Data/Generics/Schemes.hs
@@ -1,5 +1,5 @@
 {-# OPTIONS_GHC -cpp                  #-}
-{-# LANGUAGE Rank2Types               #-}
+{-# LANGUAGE RankNTypes               #-}
 {-# LANGUAGE ScopedTypeVariables      #-}
 
 -----------------------------------------------------------------------------
diff --git a/src/Data/Generics/Twins.hs b/src/Data/Generics/Twins.hs
--- a/src/Data/Generics/Twins.hs
+++ b/src/Data/Generics/Twins.hs
@@ -1,5 +1,5 @@
 {-# OPTIONS_GHC -cpp                  #-}
-{-# LANGUAGE Rank2Types               #-}
+{-# LANGUAGE RankNTypes               #-}
 
 -----------------------------------------------------------------------------
 -- |
diff --git a/syb.cabal b/syb.cabal
--- a/syb.cabal
+++ b/syb.cabal
@@ -1,5 +1,5 @@
 name:                 syb
-version:              0.3.6
+version:              0.3.6.1
 license:              BSD3
 license-file:         LICENSE
 author:               Ralf Lammel, Simon Peyton Jones, Jose Pedro Magalhaes
@@ -19,7 +19,6 @@
 stability:              provisional
 build-type:             Custom
 cabal-version:          >= 1.6
-tested-with:            GHC == 6.10.4, GHC == 6.12.3, GHC == 7.0.1
 
 extra-source-files:     tests/*.hs,
                         README
@@ -49,7 +48,7 @@
                           Generics.SYB.Twins,
                           Generics.SYB.Builders
 
-  extensions:             CPP, Rank2Types, ScopedTypeVariables
+  extensions:             CPP, RankNTypes, ScopedTypeVariables
 
   if impl(ghc < 6.12) 
     ghc-options:          -package-name syb