diff --git a/pkgs/development/libraries/haskell/ansi-terminal/default.nix b/pkgs/development/libraries/haskell/ansi-terminal/default.nix
new file mode 100644
index 00000000000..1da8fd85591
--- /dev/null
+++ b/pkgs/development/libraries/haskell/ansi-terminal/default.nix
@@ -0,0 +1,11 @@
+{cabal}:
+
+cabal.mkDerivation (self : {
+  pname = "ansi-terminal";
+  version = "0.5.0";
+  sha256 = "ee921584bb0d6c37f48b7069709297506651fe8e2c5a22810c38072b54c2fee9";
+  meta = {
+    description = "Simple ANSI terminal support, with Windows compatibility";
+  };
+})  
+
diff --git a/pkgs/development/libraries/haskell/colorize-haskell/default.nix b/pkgs/development/libraries/haskell/colorize-haskell/default.nix
new file mode 100644
index 00000000000..1b7016970fa
--- /dev/null
+++ b/pkgs/development/libraries/haskell/colorize-haskell/default.nix
@@ -0,0 +1,12 @@
+{cabal, ansiTerminal, haskellLexer}:
+
+cabal.mkDerivation (self : {
+  pname = "colorize-haskell";
+  version = "1.0.0";
+  sha256 = "14c180ea3e8beb12dd289c51453bd2e3583f306799db4630c8f86cf09bbb3763";
+  propagatedBuildInputs = [ansiTerminal haskellLexer];
+  meta = {
+    description = "Highlight Haskell source";
+  };
+})  
+
diff --git a/pkgs/development/libraries/haskell/ghc-core/default.nix b/pkgs/development/libraries/haskell/ghc-core/default.nix
index 4a36928173f..0c1024e562b 100644
--- a/pkgs/development/libraries/haskell/ghc-core/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-core/default.nix
@@ -1,10 +1,10 @@
-{cabal, pcreLight, hscolour}:
+{cabal, pcreLight, colorizeHaskell}:
 
 cabal.mkDerivation (self : {
   pname = "ghc-core";
-  version = "0.4.3";
-  sha256 = "cdd6082ebc692087db781cb10194bbbf34a768b31eea0dcb78c73921c7047444";
-  propagatedBuildInputs = [pcreLight hscolour];
+  version = "0.5";
+  sha256 = "9880ea553a24a1ad6585c4d69505a3b1ac90aaf0f48ca8c126f41e8f170651ef";
+  propagatedBuildInputs = [pcreLight colorizeHaskell];
   configureFlags = ''--constraint=base<4'';
   meta = {
     description = "Display GHC's core and assembly output in a pager";
diff --git a/pkgs/development/libraries/haskell/haskell-lexer/default.nix b/pkgs/development/libraries/haskell/haskell-lexer/default.nix
new file mode 100644
index 00000000000..1df6b90db0d
--- /dev/null
+++ b/pkgs/development/libraries/haskell/haskell-lexer/default.nix
@@ -0,0 +1,11 @@
+{cabal}:
+
+cabal.mkDerivation (self : {
+  pname = "haskell-lexer";
+  version = "1.0";
+  sha256 = "86d0c4071295c8613eb965768cb61a0c8422fc0c429a49c7a93e93a72b185b86";
+  meta = {
+    description = "A fully compliant Haskell 98 lexer";
+  };
+})  
+
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 5dfcda6e370..4c9439d1a68 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -30,6 +30,10 @@ rec {
     QuickCheck = QuickCheck2101;
   };
 
+  ansiTerminal = import ../development/libraries/haskell/ansi-terminal {
+    inherit cabal;
+  };
+
   benchpress = import ../development/libraries/haskell/benchpress {
     inherit cabal;
   };
@@ -50,6 +54,10 @@ rec {
     inherit cabal mtl network parsec xhtml;
   };
 
+  colorizeHaskell = import ../development/libraries/haskell/colorize-haskell {
+    inherit cabal ansiTerminal haskellLexer;
+  };
+
   convertible = import ../development/libraries/haskell/convertible {
     inherit cabal mtl;
     time = time113;
@@ -114,7 +122,7 @@ rec {
   };
 
   ghcCore = import ../development/libraries/haskell/ghc-core {
-    inherit cabal pcreLight hscolour;
+    inherit cabal pcreLight colorizeHaskell;
   };
 
   ghcPaths = import ../development/libraries/haskell/ghc-paths {
@@ -167,6 +175,10 @@ rec {
     inherit cabal extensibleExceptions mtl utf8String;
   };
 
+  haskellLexer = import ../development/libraries/haskell/haskell-lexer {
+    inherit cabal;
+  };
+
   haskellSrc = import ../development/libraries/haskell/haskell-src {
     inherit cabal happy;
   };