diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 561cdc8f9576..73533104ca9a 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -131,11 +131,11 @@ rec {
       patch = ./mips-ext3-n32.patch;
     };
 
-  grsecurity_2_9_1_3_2_50 =
-    { name = "grsecurity-2.9.1-3.2.50";
+  grsecurity_2_9_1_3_2_51 =
+    { name = "grsecurity-2.9.1-3.2.51";
       patch = fetchurl {
-        url = http://grsecurity.net/stable/grsecurity-2.9.1-3.2.50-201308052151.patch;
-        sha256 = "178y68bx4h4r9gq1p4izbjah8vhjmb3yvr3sfjglz8blxxahgd6n";
+        url = http://grsecurity.net/stable/grsecurity-2.9.1-3.2.51-201309101928.patch;
+        sha256 = "90f9ddc74d56f4525b8faa8505a95f45c23a2e763c7519ba5ae953069a51aca2";
       };
     };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2b6b3cad514a..16c3ad019a7a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6460,7 +6460,7 @@ let
   };
 
   linux_3_2_grsecurity = lowPrio (lib.overrideDerivation (linux_3_2.override (args: {
-    kernelPatches = args.kernelPatches ++ [ kernelPatches.grsecurity_2_9_1_3_2_50 ];
+    kernelPatches = args.kernelPatches ++ [ kernelPatches.grsecurity_2_9_1_3_2_51 ];
   })) (args: { makeFlags = "DISABLE_PAX_PLUGINS=y";}));
 
   linux_3_2_apparmor = lowPrio (linux_3_2.override {