diff --git a/pkgs/os-specific/linux/kernel/linux-4.4.nix b/pkgs/os-specific/linux/kernel/linux-4.4.nix
index 335abe645be..9095a63355b 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 @@
 { stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.4.172";
+  version = "4.4.173";
   extraMeta.branch = "4.4";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "1yrrwvj260sqnn8qh7a2b31d31jjnap6qh2f6jhdy275q6rickgv";
+    sha256 = "0wj2y6y2ac5m6p6ghb4rmxfdxyx0gq7yv7b0qzmdyh4dkpi7qa0f";
   };
 } // (args.argsOverride or {}))