diff --git a/pkgs/tools/misc/ttfautohint/default.nix b/pkgs/tools/misc/ttfautohint/default.nix
index c302bd15c41e..70320e9dbab8 100644
--- a/pkgs/tools/misc/ttfautohint/default.nix
+++ b/pkgs/tools/misc/ttfautohint/default.nix
@@ -1,16 +1,23 @@
-{ stdenv, fetchurl, harfbuzz, pkgconfig, qt4 }:
+{ stdenv, fetchurl, pkgconfig, freetype, harfbuzz, qtbase }:
 
 stdenv.mkDerivation rec {
-  version = "1.6";
+  version = "1.7";
   name = "ttfautohint-${version}";
-  
+
   src = fetchurl {
     url = "mirror://savannah/freetype/${name}.tar.gz";
-    sha256 = "1r8vsznvh89ay35angxp3w1xljxjlpcv9wdjyn7m61n323vi6474";
+    sha256 = "1wh783pyg79ks5qbni61x7qngdhyfc33swrkcl5r1czdwhhlif9x";
   };
-  
+
+  postPatch = ''
+    substituteInPlace configure --replace "macx-g++" "macx-clang"
+  '';
+
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ harfbuzz qt4 ];
+
+  buildInputs = [ freetype harfbuzz qtbase ];
+
+  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     description = "An automatic hinter for TrueType fonts";
@@ -23,7 +30,7 @@ stdenv.mkDerivation rec {
     homepage = https://www.freetype.org/ttfautohint;
     license = licenses.gpl2Plus; # or the FreeType License (BSD + advertising clause)
     maintainers = with maintainers; [ goibhniu ndowens ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 07518d70b573..b6123e914220 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4807,7 +4807,7 @@ with pkgs;
 
   ttf2pt1 = callPackage ../tools/misc/ttf2pt1 { };
 
-  ttfautohint = callPackage ../tools/misc/ttfautohint { };
+  ttfautohint = libsForQt5.callPackage ../tools/misc/ttfautohint { };
 
   tty-clock = callPackage ../tools/misc/tty-clock { };