diff --git a/packages/sotest-producer/default.nix b/packages/sotest-producer/default.nix
index bd6201e..4892235 100644
--- a/packages/sotest-producer/default.nix
+++ b/packages/sotest-producer/default.nix
@@ -1,18 +1,17 @@
 # SPDX-License-Identifier: CC0-1.0
 
-{ stdenv, fetchgit, buildPackages, genodeLibcCross }:
+{ stdenv, fetchgit, buildPackages }:
 
 stdenv.mkDerivation rec {
   pname = "sotest-producer";
-  version = "0.1.3";
+  version = "0.2.0";
 
   nativeBuildInputs = with buildPackages; [ tup pkgconfig ];
-  buildInputs = with buildPackages; [ genodeLibcCross ];
 
-  src = fetchgit {
+  src = buildPackages.fetchgit {
     url = "https://gitea.c3d2.de/ehmry/genode-sotest-producer.git";
     rev = "v" + version;
-    sha256 = "0jmmshvmgq18ppdwac7mj9b55rczhbsk4vynglgb5vvjg6nqcr3p";
+    sha256 = "01qy86khkihj8jgvgc92w4bb3kpf640g1l2m5h5ym7s03viqinkr";
   };
 
   configurePhase = ''
@@ -29,7 +28,7 @@ stdenv.mkDerivation rec {
     popd
   '';
 
-  installPhase = "cp -r out $out";
+  installPhase = "install -Dm755 {.,$out/bin}/sotest-harness";
 
   meta = with stdenv.lib; {
     license = "LicenseRef-Genode.txt";