diff --git a/pkgs/development/tools/pup/default.nix b/pkgs/development/tools/pup/default.nix
index 772178dd84c1..f2bbe91b8400 100644
--- a/pkgs/development/tools/pup/default.nix
+++ b/pkgs/development/tools/pup/default.nix
@@ -1,15 +1,15 @@
-{ stdenv, lib, buildGoPackage, fetchgit, fetchhg, fetchbzr, fetchsvn }:
+{ buildGoPackage, fetchgit }:
 
 buildGoPackage rec {
   name = "pup-${version}";
-  version = "20160425-${stdenv.lib.strings.substring 0 7 rev}";
-  rev = "e76307d03d4d2e0f01fb7ab51dee09f2671c3db6";
-  
+  version = "0.4.0";
+  rev = "v${version}";
+
   goPackagePath = "github.com/ericchiang/pup";
 
   src = fetchgit {
     inherit rev;
-    url = "https://github.com/ericchiang/pup";
-    sha256 = "15lwas4cjchlwhrwnd5l4gxcwqdfgazdyh466hava5qzxacqxrm5";
+    url = "https://${goPackagePath}";
+    sha256 = "0mnhw0yph5fvcnrcmj1kfbyw1a4lcg3k9f6y28kf44ihlq8h1dfz";
   };
 }