diff --git a/pkgs/development/compilers/zz/default.nix b/pkgs/development/compilers/zz/default.nix
index a0bf9a9ad8ff..156a4c17bc2c 100644
--- a/pkgs/development/compilers/zz/default.nix
+++ b/pkgs/development/compilers/zz/default.nix
@@ -1,20 +1,27 @@
-{ lib, rustPlatform, fetchFromGitHub, makeWrapper, z3 }:
+{ lib, rustPlatform, fetchFromGitHub, makeWrapper, z3, pkgsHostTarget }:
+
+let
+  runtimeDeps = [
+    z3
+    pkgsHostTarget.targetPackages.stdenv.cc
+  ];
+in
 
 rustPlatform.buildRustPackage rec {
   pname = "zz";
-  version = "unstable-2021-03-07";
+  version = "unstable-2021-05-04";
 
   # when updating, choose commit of the latest build on http://bin.zetz.it/
   src = fetchFromGitHub {
     owner = "zetzit";
     repo = "zz";
-    rev = "d3fc968ba2ae6668f930e39077f9a90aecb9fdc4";
-    sha256 = "18p17lgwq6rq1n76sj0dwb32bpxflfd7knky1v0sgmaxfpaq04y3";
+    rev = "18020b10b933cfe2fc7f2256b71e646889f9b1d2";
+    sha256 = "01nlyyk1qxk76dq2hw3wpbjwkh27zzp6mpczjnxdpv6rxs7mc825";
   };
 
   nativeBuildInputs = [ makeWrapper ];
 
-  cargoSha256 = "03xdmm4993hqdb3cihjjv4n4mdk8lnlccva08fh6m1d56p807rni";
+  cargoSha256 = "080rd8x4jsssnx4il80xcb81iw8pjcm70zckpa1hcijkw9104dgs";
 
   postPatch = ''
     # remove search path entry which would reference /build
@@ -26,7 +33,7 @@ rustPlatform.buildRustPackage rec {
     cp -r modules "$out/share/zz/"
 
     wrapProgram $out/bin/zz \
-      --prefix PATH ":" "${lib.getBin z3}/bin" \
+      --prefix PATH ":" "${lib.makeBinPath runtimeDeps}" \
       --suffix ZZ_MODULE_PATHS ":" "$out/share/zz/modules"
   '';