1 files changed, 5 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/applications/graphics/potrace/default.nix b/nixpkgs/pkgs/applications/graphics/potrace/default.nix
index f50af2925a3a..35ab27bcbf63 100644
--- a/nixpkgs/pkgs/applications/graphics/potrace/default.nix
+++ b/nixpkgs/pkgs/applications/graphics/potrace/default.nix
@@ -2,17 +2,20 @@
 
 stdenv.mkDerivation rec {
   pname = "potrace";
-  version = "1.15";
+  version = "1.16";
 
   src = fetchurl {
     url = "http://potrace.sourceforge.net/download/${version}/potrace-${version}.tar.gz";
-    sha256 = "17ajildjp14shsy339xarh1lw1p0k60la08ahl638a73mh23kcx9";
+    sha256 = "1k3sxgjqq0jnpk9xxys05q32sl5hbf1lbk1gmfxcrmpdgnhli0my";
   };
 
   configureFlags = [ "--with-libpotrace" ];
 
   buildInputs = [ zlib ];
 
+  enableParallelBuilding = true;
+  doCheck = true;
+
   meta = with stdenv.lib; {
     homepage = http://potrace.sourceforge.net/;
     description = "A tool for tracing a bitmap, which means, transforming a bitmap into a smooth, scalable image";