diff --git a/pkgs/tools/games/steamtinkerlaunch/default.nix b/pkgs/tools/games/steamtinkerlaunch/default.nix
index 13460b07aad8..42935ad6e393 100644
--- a/pkgs/tools/games/steamtinkerlaunch/default.nix
+++ b/pkgs/tools/games/steamtinkerlaunch/default.nix
@@ -1,11 +1,11 @@
 { bash
+, fetchFromGitHub
 , gawk
 , git
-, gnugrep
-, fetchFromGitHub
 , lib
 , makeWrapper
-, stdenv
+, procps
+, stdenvNoCC
 , unixtools
 , unzip
 , wget
@@ -14,15 +14,15 @@
 , yad
 }:
 
-stdenv.mkDerivation rec {
+stdenvNoCC.mkDerivation {
   pname = "steamtinkerlaunch";
-  version = "12.12";
+  version = "12.12-unstable-2024-05-03";
 
   src = fetchFromGitHub {
     owner = "sonic2kk";
-    repo = pname;
-    rev = "v${version}";
-    hash = "sha256-oigHNfg5rHxRabwUs66ye+chJzivmCIw8mg/GaJLPkg=";
+    repo = "steamtinkerlaunch";
+    rev = "59b421b2f3686120a076909a4a158824cd4ef05e";
+    hash = "sha256-CGtSGAm+52t2zFsPJEsm76w+FEHhbOd9NYuerGa31tc=";
   };
 
   # hardcode PROGCMD because #150841
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
       bash
       gawk
       git
-      gnugrep
+      procps
       unixtools.xxd
       unzip
       wget