diff --git a/pkgs/os-specific/linux/kernel/linux-4.9.nix b/pkgs/os-specific/linux/kernel/linux-4.9.nix
index d611e4cf71e..8fe5d3dfcb2 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.9.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.9.nix
@@ -1,11 +1,11 @@
 { stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.9.185";
+  version = "4.9.186";
   extraMeta.branch = "4.9";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "16z3ijfzffpkp4mj42j3j8zbnpba1a67kd5cdqwb28spf32a66vc";
+    sha256 = "0sjbp7m6d625rw06wv34a0805d1lgldii4pxiqfpja871m1q8914";
   };
 } // (args.argsOverride or {}))