diff --git a/pkgs/os-specific/linux/kernel/linux-4.9.nix b/pkgs/os-specific/linux/kernel/linux-4.9.nix
index 4cb219d1014b..b13ed0e8fc56 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 = "4.9.224";
+  version = "4.9.225";
   extraMeta.branch = "4.9";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "0jf92cx0b3wq9fxa3169wk4wqvy58hglfk6lsynszy8kjplhfvfz";
+    sha256 = "1s63aymgsc4lsysy9d972ps9cyrf6bncyy5wcpv5a3wbaj678iz5";
   };
 } // (args.argsOverride or {}))