diff --git a/pkgs/tools/package-management/nix-prefetch/default.nix b/pkgs/tools/package-management/nix-prefetch/default.nix
index af077e5f939c..320d41068ccb 100644
--- a/pkgs/tools/package-management/nix-prefetch/default.nix
+++ b/pkgs/tools/package-management/nix-prefetch/default.nix
@@ -1,39 +1,25 @@
 { lib, stdenv, fetchFromGitHub, installShellFiles, makeWrapper, asciidoc
 , docbook_xml_dtd_45, git, docbook_xsl, libxml2, libxslt, coreutils, gawk
-, gnugrep, gnused, jq, nix, fetchpatch }:
+, gnugrep, gnused, jq, nix }:
 
 let
   binPath = lib.makeBinPath [ coreutils gawk git gnugrep gnused jq nix ];
 
 in stdenv.mkDerivation rec {
   pname = "nix-prefetch";
-  version = "0.3.1";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "msteen";
     repo = "nix-prefetch";
     rev = version;
-    sha256 = "15h6f743nn6sdq8l771sjxh92cyzqznkcs7szrc7nm066xvx8rd4";
+    sha256 = "11792677zyi06jw641xi9aywwgh9002b8406w6qids212c14va6n";
     # the stat call has to be in a subshell or we get the current date
     extraPostFetch = ''
       echo $(stat -c %Y $out) > $out/.timestamp
     '';
   };
 
-  patches = [
-    # Fix compatibility with nixUnstable
-    # https://github.com/msteen/nix-prefetch/pull/9
-    (fetchpatch {
-      url = "https://github.com/msteen/nix-prefetch/commit/2722cda48ab3f4795105578599b29fc99518eff4.patch";
-      sha256 = "037m388sbl72kyqnk86mw7lhjhj9gzfglw3ri398ncfmmkq8b7r4";
-    })
-    # https://github.com/msteen/nix-prefetch/pull/12
-    (fetchpatch {
-      url = "https://github.com/msteen/nix-prefetch/commit/de96564e9f28df82bccd0584953094e7dbe87e20.patch";
-      sha256 = "0mxai6w8cfs7k8wfbsrpg5hwkyb0fj143nm0v142am0ky8ahn0d9";
-    })
-  ];
-
   postPatch = ''
     lib=$out/lib/${pname}