diff --git a/pkgs/servers/varnish/default.nix b/pkgs/servers/varnish/default.nix
index e1376a6c59f5..bf8e69bd9896 100644
--- a/pkgs/servers/varnish/default.nix
+++ b/pkgs/servers/varnish/default.nix
@@ -1,23 +1,27 @@
 { stdenv, fetchurl, pcre, libxslt, groff, ncurses, pkgconfig, readline, libedit
-, python, pythonPackages }:
+, python, pythonPackages, makeWrapper }:
 
 stdenv.mkDerivation rec {
-  version = "5.0.0";
+  version = "5.1.2";
   name = "varnish-${version}";
 
   src = fetchurl {
     url = "http://repo.varnish-cache.org/source/${name}.tar.gz";
-    sha256 = "0jizha1mwqk42zmkrh80y07vfl78mg1d9pp5w83qla4xn9ras0ai";
+    sha256 = "1qzwljdwp830l41nw4ils9hxly077zqn6wzhhmy8m516gq9min1r";
   };
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [
     pcre libxslt groff ncurses readline python libedit
-    pythonPackages.docutils
+    pythonPackages.docutils makeWrapper
   ];
 
   buildFlags = "localstatedir=/var/spool";
 
+  postInstall = ''
+    wrapProgram "$out/sbin/varnishd" --prefix PATH : "${stdenv.lib.makeBinPath [ stdenv.cc ]}"
+  '';
+
   # https://github.com/varnishcache/varnish-cache/issues/1875
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isi686 "-fexcess-precision=standard";