diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2011 Bas van Dijk
+Copyright (c) 2009-2012 Bas van Dijk
 
 All rights reserved.
 
diff --git a/Text/Repr.hs b/Text/Repr.hs
--- a/Text/Repr.hs
+++ b/Text/Repr.hs
@@ -393,6 +393,9 @@
     APP2SHOW(shiftR)
     APP2SHOW(rotateL)
     APP2SHOW(rotateR)
+#if MIN_VERSION_base(4,6,0)
+    TO(popCount)
+#endif
 
 #if MIN_VERSION_base(4,2,0)
 instance HasResolution α ⇒ HasResolution (Repr α) where
diff --git a/repr.cabal b/repr.cabal
--- a/repr.cabal
+++ b/repr.cabal
@@ -1,11 +1,11 @@
 name:          repr
-version:       0.4.1.2
+version:       0.4.1.3
 cabal-version: >= 1.6
 build-type:    Simple
 stability:     experimental
 author:        Bas van Dijk
 maintainer:    v.dijk.bas@gmail.com
-copyright:     (c) 2009-2011 Bas van Dijk
+copyright:     (c) 2009-2012 Bas van Dijk
 license:       BSD3
 license-file:  LICENSE
 homepage:      https://github.com/basvandijk/repr
@@ -30,7 +30,7 @@
   Location: git://github.com/basvandijk/repr.git
 
 library
-  build-depends: base                 >= 3       && < 4.6
+  build-depends: base                 >= 3       && < 4.7
                , base-unicode-symbols >= 0.1.1   && < 0.3
                , random               >= 1.0     && < 1.1
                , string-combinators   >= 0.6     && < 0.7