diff --git a/pkgs/os-specific/linux/kernel/linux-4.4.nix b/pkgs/os-specific/linux/kernel/linux-4.4.nix
index 3b8cea54f34d25..44614f47dfc6af 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.4.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.4.nix
@@ -1,11 +1,11 @@
 { buildPackages, fetchurl, perl, buildLinux, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.4.255";
+  version = "4.4.256";
   extraMeta.branch = "4.4";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "0l45csywd30qrs8gwzjjijr5hwpd5s05rbyrxb37vck78znk0f1g";
+    sha256 = "1z7vfy4h0mjvv0rcvvpb55x5fl16c6cgpcafz5gpjp0pw1p2lva8";
   };
 } // (args.argsOverride or {}))