diff --git a/pkgs/tools/misc/woof/default.nix b/pkgs/tools/misc/woof/default.nix
index e89ef8dab0e1c0..158a83a99ca5ac 100644
--- a/pkgs/tools/misc/woof/default.nix
+++ b/pkgs/tools/misc/woof/default.nix
@@ -1,24 +1,25 @@
-{ stdenv, fetchurl, python }:
+{ stdenv, fetchFromGitHub, python3 }:
 
 stdenv.mkDerivation rec {
-  version = "2012-05-31";
+  version = "2020-12-17";
   pname = "woof";
 
-  src = fetchurl {
-    url = "http://www.home.unix-ag.org/simon/woof-${version}.py";
-    sha256 = "d84353d07f768321a1921a67193510bf292cf0213295e8c7689176f32e945572";
+  src = fetchFromGitHub {
+    owner = "simon-budig";
+    repo = "woof";
+    rev = "4aab9bca5b80379522ab0bdc5a07e4d652c375c5";
+    sha256 = "0ypd2fs8isv6bqmlrdl2djgs5lnk91y1c3rn4ar6sfkpsqp9krjn";
   };
 
-  buildInputs = [ python ];
+  propagatedBuildInputs = [ python3 ];
 
   dontUnpack = true;
 
-  installPhase =
-    ''
-      mkdir -p $out/bin
-      cp $src $out/bin/woof
-      chmod +x $out/bin/woof
-    '';
+  installPhase = ''
+    mkdir -p $out/bin
+    cp $src/woof $out/bin/woof
+    chmod +x $out/bin/woof
+  '';
 
   meta = with stdenv.lib; {
     homepage = "http://www.home.unix-ag.org/simon/woof.html";