diff --git a/pkgs/applications/science/logic/yices/default.nix b/pkgs/applications/science/logic/yices/default.nix
index f495ee257ff..cf5114b4a41 100644
--- a/pkgs/applications/science/logic/yices/default.nix
+++ b/pkgs/applications/science/logic/yices/default.nix
@@ -2,24 +2,31 @@
 
 stdenv.mkDerivation rec {
   name    = "yices-${version}";
-  version = "2.3.1";
+  version = "2.5.1";
 
   src = fetchurl {
-    url = "http://yices.csl.sri.com/cgi-bin/yices2-newnewdownload.cgi?file=yices-2.3.1-src.tar.gz&accept=I+Agree";
+    url = "http://yices.csl.sri.com/cgi-bin/yices2-newnewdownload.cgi?file=yices-${version}-src.tar.gz&accept=I+Agree";
     name = "yices-${version}-src.tar.gz";
-    sha256 = "1da70n0cah0dh3pk7fcrvjkszx9qmhc0csgl15jqa7bdh707k2zs";
+    sha256 = "1wfq6hcm54h0mqmbs1ip63i0ywlwnciav86sbzk3gafxyzg1nd0c";
   };
 
+  patchPhase = ''patchShebangs tests/regress/check.sh'';
+
   configureFlags = [ "--with-static-gmp=${gmp-static.out}/lib/libgmp.a"
                      "--with-static-gmp-include-dir=${gmp-static.dev}/include"
                    ];
   buildInputs = [ gmp-static gperf autoreconfHook ];
 
-  meta = {
+  enableParallelBuilding = true;
+  doCheck = true;
+
+  installPhase = ''make install LDCONFIG=true'';
+
+  meta = with stdenv.lib; {
     description = "A high-performance theorem prover and SMT solver";
     homepage    = "http://yices.csl.sri.com";
-    license     = stdenv.lib.licenses.unfreeRedistributable;
-    platforms   = stdenv.lib.platforms.linux;
-    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+    license     = licenses.unfreeRedistributable;
+    platforms   = platforms.linux ++ platforms.darwin;
+    maintainers = [ maintainers.thoughtpolice ];
   };
 }