diff --git a/pkgs/development/compilers/ghc/nokinds.nix b/pkgs/development/compilers/ghc/nokinds.nix
index 3f0b9e866b0..6334759496f 100644
--- a/pkgs/development/compilers/ghc/nokinds.nix
+++ b/pkgs/development/compilers/ghc/nokinds.nix
@@ -27,14 +27,14 @@ let
 in
 
 stdenv.mkDerivation rec {
-  version = "7.11.20150718";
+  version = "7.11.20150826";
   name = "ghc-${version}"; # We cannot add a "nokinds" tag here; see git comment for details.
-  rev = "4cb79c85a4976c509a65a8638899391a60cd0962";
+  rev = "5f7f64b7fc879b5ecfd6987ec5565bd90f7c0179";
 
   src = fetchgit {
     url = "https://github.com/goldfirere/ghc.git";
     inherit rev;
-    sha256 = "1pyz459hs189bw2jaz7k2j2r53nc1vfa4q3zd3zz1zm0h14lsmlv";
+    sha256 = "183l4v6aw52r3ydwl8bxg1lh3cwfakb35rpy6mjg23dqmqsynmcn";
   };
 
   postUnpack = ''