diff --git a/pkgs/os-specific/linux/kernel/linux-4.9.nix b/pkgs/os-specific/linux/kernel/linux-4.9.nix
index 6128c35eb4b..0955733520d 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.9.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.9.nix
@@ -1,13 +1,13 @@
 { buildPackages, fetchurl, perl, buildLinux, nixosTests, stdenv, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.9.284";
+  version = "4.9.285";
   extraMeta.branch = "4.9";
   extraMeta.broken = stdenv.isAarch64;
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "0054b0cm0h2mbf6rxzdgd3c2rfz7xa32qkyr5lv58l2852hf0ri8";
+    sha256 = "1hkkk4mhr5qnrhwqcz0b20rff6j8pnwd868a5hsq8s867pa24ajb";
   };
 
   kernelTests = args.kernelTests or [ nixosTests.kernel-generic.linux_4_9 ];