diff --git a/pkgs/development/tools/slimerjs/default.nix b/pkgs/development/tools/slimerjs/default.nix
index a35816e2511c..5fd7be063f54 100644
--- a/pkgs/development/tools/slimerjs/default.nix
+++ b/pkgs/development/tools/slimerjs/default.nix
@@ -3,11 +3,13 @@ let
   s = # Generated upstream information
   rec {
     baseName="slimerjs";
-    version="0.9.6";
+    version="0.9.6.2015.08.20";
     name="${baseName}-${version}";
     hash="0wry296iv63bmvm3qbkbgk42nbs80cbir0kv27v0ah5f6kvjc9cq";
-    url="http://download.slimerjs.org/releases/0.9.6/slimerjs-0.9.6.zip";
-    sha256="0wry296iv63bmvm3qbkbgk42nbs80cbir0kv27v0ah5f6kvjc9cq";
+    #url="http://download.slimerjs.org/releases/0.9.6/slimerjs-0.9.6.zip";
+    url = "https://github.com/laurentj/slimerjs.git";
+    rev = "87e0ff1d666897754a914131d8f1744195ee4d7a";
+    sha256="0ifgr8pi40id7vcv8ipc754bys22bhij0kkhd691285x19f52alc";
   };
   buildInputs = [
     unzip zip
@@ -16,12 +18,12 @@ in
 stdenv.mkDerivation {
   inherit (s) name version;
   inherit buildInputs;
-   src = fetchurl {
-     inherit (s) url sha256;
-   };
-  #src = fetchgit {
-  #  inherit (s) url sha256 rev;
+  #src = fetchurl {
+  #  inherit (s) url sha256;
   #};
+  src = fetchgit {
+    inherit (s) url sha256 rev;
+  };
   preConfigure = ''
     test -d src && cd src
     test -f omni.ja || zip omni.ja -r */