diff --git a/pkgs/games/soldat-unstable/default.nix b/pkgs/games/soldat-unstable/default.nix
index d48cf3048ee..2228b8f35fa 100644
--- a/pkgs/games/soldat-unstable/default.nix
+++ b/pkgs/games/soldat-unstable/default.nix
@@ -39,14 +39,14 @@ in
 
 stdenv.mkDerivation rec {
   pname = "soldat-unstable";
-  version = "2020-11-26";
+  version = "2021-02-09";
 
   src = fetchFromGitHub {
     name = "soldat";
     owner = "Soldat";
     repo = "soldat";
-    rev = "2280296ac56883f6a9cad4da48025af8ae7782e7";
-    sha256 = "17i3nlhxm4x4zx00i00aivhxmagbnyizxnpwiqzg57bf23hrvdj3";
+    rev = "c304c3912ca7a88461970a859049d217a44c6375";
+    sha256 = "09sl2zybfcmnl2n3qghp0gylmr71y01534l6nq0y9llbdy0bf306";
   };
 
   nativeBuildInputs = [ fpc makeWrapper autoPatchelfHook ];
@@ -63,13 +63,6 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  postPatch = ''
-    for f in client/Makefile server/Makefile; do
-      # fix unportable uname invocation
-      substituteInPlace "$f" --replace "uname -p" "uname -m"
-    done
-  '';
-
   buildPhase = ''
     mkdir -p client/build server/build