diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index e63ff168a61..e0d880a626a 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -81,22 +81,22 @@ rec {
   grsecurity_3_0_3_2_55 =
     { name = "grsecurity-3.0-3.2.55";
       patch = fetchurl {
-        url = http://grsecurity.net/stable/grsecurity-3.0-3.2.55-201403022154.patch;
-        sha256 = "0pqp8mfj4zbgb94c7g6ykh0amlwlilxjiqsyc6smmwwbg6klgvkr";
+        url = http://grsecurity.net/stable/grsecurity-3.0-3.2.55-201403072107.patch;
+        sha256 = "128dbspwg8hvshz6rjykcl42kam5g0db50rbyaagskh9jm9a0zyz";
       };
       features.grsecurity = true;
       # The grsec kernel patch seems to include the apparmor patches as of 3.0-3.2.55
       features.apparmor = true;
     };
 
-  grsecurity_3_0_3_13_5 =
-    { name = "grsecurity-3.0-3.13.5";
+  grsecurity_3_0_3_13_6 =
+    { name = "grsecurity-3.0-3.13.6";
       patch = fetchurl {
-        url = http://grsecurity.net/test/grsecurity-3.0-3.13.5-201403031445.patch;
-        sha256 = "0b22jbm9swghhj7a9c07z5yprk88bgp0iv3c8xmfqqyy0yighq1l";
+        url = http://grsecurity.net/test/grsecurity-3.0-3.13.6-201403072241.patch;
+        sha256 = "006w89pvb9jasb7413nnphz5mrdmq10mkpmjcglbhs5ps915jczy";
       };
       features.grsecurity = true;
-      # The grsec kernel patch seems to include the apparmor patches as of 3.0-3.13.5
+      # The grsec kernel patch seems to include the apparmor patches as of 3.0-3.13.6
       features.apparmor = true;
     };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fd83ec6156c..701f2713883 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6740,7 +6740,7 @@ let
   })) (args: grsecurityOverrider args));
 
   linux_3_13_grsecurity = lowPrio (lib.overrideDerivation (linux_3_13.override (args: {
-    kernelPatches = args.kernelPatches ++ [ kernelPatches.grsecurity_3_0_3_13_5 kernelPatches.grsec_path ];
+    kernelPatches = args.kernelPatches ++ [ kernelPatches.grsecurity_3_0_3_13_6 kernelPatches.grsec_path ];
     argsOverride = {
       modDirVersion = "${linux_3_13.modDirVersion}-grsec";
     };