diff --git a/pkgs/development/tools/build-managers/gn/default.nix b/pkgs/development/tools/build-managers/gn/default.nix
index a273afd71580..d5559768d6fc 100644
--- a/pkgs/development/tools/build-managers/gn/default.nix
+++ b/pkgs/development/tools/build-managers/gn/default.nix
@@ -2,8 +2,8 @@
 , git, ninja, python }:
 
 let
-  rev = "106b823805adcc043b2bfe5bc21d58f160a28a7b";
-  sha256 = "1a5s6i07s8l4f1bakh3fyaym00xz7zgd49sp6awm10xb7yjh95ba";
+  rev = "96ff462cddf35f98e25fd5d098fc27bc81eab94a";
+  sha256 = "1ny23sprl7ygb2lpdnqxv60m8kaf4h2dmpqjp61l5vc2s7f32g97";
 
   shortRev = builtins.substring 0 7 rev;
   lastCommitPosition = writeText "last_commit_position.h" ''
@@ -18,7 +18,7 @@ let
 in
 stdenv.mkDerivation rec {
   name = "gn-${version}";
-  version = "20180830";
+  version = "20181031";
 
   src = fetchgit {
     url = "https://gn.googlesource.com/gn";