diff --git a/pkgs/development/libraries/folly/default.nix b/pkgs/development/libraries/folly/default.nix
index 36da31e8908a..8abd42fe1744 100644
--- a/pkgs/development/libraries/folly/default.nix
+++ b/pkgs/development/libraries/folly/default.nix
@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   name = "folly-${version}";
-  version = "2018.05.21.00";
+  version = "2018.05.28.00";
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = "folly";
     rev = "v${version}";
-    sha256 = "0x8qa0g0rj4bmy5cra7f0ch0srq34d8d04f1c59q93xd6ggkr52w";
+    sha256 = "1n5zic8bgm4dfc7prjj3af2ipxalia6w7dk6w9pmrz1nkrpyd68c";
   };
 
   nativeBuildInputs = [ autoreconfHook python pkgconfig ];