diff --git a/pkgs/os-specific/linux/kernel/linux-grsecurity.nix b/pkgs/os-specific/linux/kernel/linux-grsecurity.nix
index bd54c5352a5..ff47e1758c7 100644
--- a/pkgs/os-specific/linux/kernel/linux-grsecurity.nix
+++ b/pkgs/os-specific/linux/kernel/linux-grsecurity.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, perl, buildLinux, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "4.7.2";
+  version = "4.7.3";
   extraMeta.branch = "4.7";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "1234z4wzvrbyzql6cc8i4bq7bbbjgaxhys4fcnqzm14lavk3wjaq";
+    sha256 = "16rr5nj78jh1l46baa0qgzbw44slyqw5ivfn1y7dcxrgb17bvrqc";
   };
 
   kernelPatches = args.kernelPatches;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 3b5e97f9edf..53e7196c5c3 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -100,9 +100,9 @@ rec {
   grsecurity_4_4 = throw "grsecurity stable is no longer supported";
 
   grsecurity_testing = grsecPatch
-    { kver   = "4.7.2";
-      grrev  = "201608312326";
-      sha256 = "0nbp3lnl6gi6kklpc8wnjpz5cj9zafaw2445lan15qnyzf5zb966";
+    { kver   = "4.7.3";
+      grrev  = "201609072139";
+      sha256 = "0c70nfsa1bk07z6sivy645d9w0qkq23pwpwdm28160kfy7dampyh";
     };
 
   # This patch relaxes grsec constraints on the location of usermode helpers,