diff --git a/pkgs/os-specific/linux/microcode/intel.nix b/pkgs/os-specific/linux/microcode/intel.nix
index f7393d79cc21..97843b2253fc 100644
--- a/pkgs/os-specific/linux/microcode/intel.nix
+++ b/pkgs/os-specific/linux/microcode/intel.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "microcode-intel-${version}";
-  version = "20180108";
+  version = "20171117";
 
   src = fetchurl {
-    url = "https://downloadmirror.intel.com/27431/eng/microcode-${version}.tgz";
-    sha256 = "0c214238mjks07zwif07f4041c74jil522sy78r4kjs6lniilgq6";
+    url = "https://downloadmirror.intel.com/27337/eng/microcode-${version}.tgz";
+    sha256 = "1p14ypbg28bdkbza6dx6dpjrdr5p13vmgrh2cw0y1v2qzalivgck";
   };
 
   buildInputs = [ libarchive ];