diff --git a/Foundation/Tuple.hs b/Foundation/Tuple.hs
--- a/Foundation/Tuple.hs
+++ b/Foundation/Tuple.hs
@@ -17,7 +17,6 @@
     ) where
 
 import Basement.Compat.Base
-import Basement.Compat.Bifunctor
 import Foundation.Primitive
 
 -- | Strict tuple (a,b)
@@ -26,8 +25,6 @@
 
 instance (NormalForm a, NormalForm b) => NormalForm (Tuple2 a b) where
     toNormalForm (Tuple2 a b) = toNormalForm a `seq` toNormalForm b
-instance Bifunctor Tuple2 where
-  bimap f g (Tuple2 a b) = Tuple2 (f a) (g b)
 
 -- | Strict tuple (a,b,c)
 data Tuple3 a b c = Tuple3 !a !b !c
diff --git a/foundation.cabal b/foundation.cabal
--- a/foundation.cabal
+++ b/foundation.cabal
@@ -1,5 +1,5 @@
 name:                foundation
-version:             0.0.29
+version:             0.0.30
 synopsis:            Alternative prelude with batteries and no dependencies
 description:
     A custom prelude with no dependencies apart from base.
@@ -206,7 +206,7 @@
       if arch(i386)
         extra-libraries: gcc
 
-  build-depends: basement == 0.0.15
+  build-depends: basement == 0.0.16
 
   -- FIXME add suport for armel mipsel
   --  CPP-options: -DARCH_IS_LITTLE_ENDIAN