diff --git a/pkgs/misc/emulators/emu2/default.nix b/pkgs/misc/emulators/emu2/default.nix
index eef361ecd037..65081153ab32 100644
--- a/pkgs/misc/emulators/emu2/default.nix
+++ b/pkgs/misc/emulators/emu2/default.nix
@@ -1,14 +1,17 @@
-{ lib, stdenv, fetchFromGitHub }:
+{ lib
+, stdenv
+, fetchFromGitHub
+}:
 
 stdenv.mkDerivation rec {
   pname = "emu2";
-  version = "unstable-2020-06-04";
+  version = "0.0.0+unstable=2021-09-22";
 
   src = fetchFromGitHub {
-    owner  = "dmsc";
-    repo   = "emu2";
-    rev    = "f9599d347aab07d9281400ec8b214aabd187fbcd";
-    sha256 = "0d8fb3wp477kfi0p4mmr69lxsbgb4gl9pqmm68g9ixzrfch837v4";
+    owner = "dmsc";
+    repo = "emu2";
+    rev = "8d01b53f154d6bfc9561a44b9c281b46e00a4e87";
+    hash = "sha256-Jafl0Pw2k5RCF9GgpdAWcQ+HBTsiX7dOKSMCWPHQ+2E=";
   };
 
   makeFlags = [ "PREFIX=$(out)" ];
@@ -17,7 +20,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/dmsc/emu2/";
     description = "A simple text-mode x86 + DOS emulator";
     platforms = platforms.linux;
-    maintainers = with maintainers; [ dramaturg ];
-    license = licenses.gpl2;
+    maintainers = with maintainers; [ AndersonTorres ];
+    license = licenses.gpl2Plus;
   };
 }