diff --git a/pkgs/games/nanosaur/default.nix b/pkgs/games/nanosaur/default.nix
index 4ec59b726ee3..37a054d951b4 100644
--- a/pkgs/games/nanosaur/default.nix
+++ b/pkgs/games/nanosaur/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, SDL2, cmake, makeWrapper }:
+{ lib, stdenv, fetchFromGitHub, SDL2, cmake, makeWrapper, unstableGitUpdater }:
 
 stdenv.mkDerivation rec {
   pname = "nanosaur";
-  version = "unstable-2021-12-03";
+  version = "1.4.4-unstable-2023-05-21";
 
   src = fetchFromGitHub {
     owner = "jorio";
     repo = pname;
-    rev = "b567a3e6d7fd1cbc43800cfaa1bd82f31c6d9fae";
-    sha256 = "sha256-P/o6uSwUV6O8u8XNXN9YyA8XlgEUkqGj3SC+oD2/GKQ=";
+    rev = "c9753648996b09a17c8bd526d8309b73fb14c435";
+    sha256 = "sha256-0xG/HSUF65eV+fSJ2geDv5VUxTeso9dulrLgE1KNDhc=";
     fetchSubmodules = true;
   };
 
@@ -27,11 +27,13 @@ stdenv.mkDerivation rec {
     mv Data ReadMe.txt "$out/share/Nanosaur/"
     install -Dm755 {.,$out/bin}/Nanosaur
     wrapProgram $out/bin/Nanosaur --chdir "$out/share/Nanosaur"
-    install -Dm644 $src/packaging/nanosaur.desktop $out/share/applications/nanosaur.desktop
-    install -Dm644 $src/packaging/nanosaur-desktopicon.png $out/share/pixmaps/nanosaur-desktopicon.png
+    install -Dm644 $src/packaging/io.jor.nanosaur.desktop $out/share/applications/nanosaur.desktop
+    install -Dm644 $src/packaging/io.jor.nanosaur.png $out/share/pixmaps/nanosaur-desktopicon.png
     runHook postInstall
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = with lib; {
     description = "A port of Nanosaur, a 1998 Macintosh game by Pangea Software, for modern operating systems";
     longDescription = ''
@@ -41,6 +43,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = "https://github.com/jorio/Nanosaur";
     license = licenses.cc-by-sa-40;
+    mainProgram = "Nanosaur";
     maintainers = with maintainers; [ lux ];
     platforms = platforms.linux;
   };