diff --git a/pkgs/os-specific/linux/kernel/linux-4.0.nix b/pkgs/os-specific/linux/kernel/linux-4.0.nix
index 3ea4257a1e91..8607bcf70cf3 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.0.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.0.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "4.0.7";
+  version = "4.0.8";
   # Remember to update grsecurity!
   extraMeta.branch = "4.0";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "01c68w6lygzjzllv7xgnd1hm3339rs0fvd8q26n6bdfa95aj554m";
+    sha256 = "1cggqi5kdan818xw5g5wmapcsf501f5m9bympsy6a2cpphknfdmn";
   };
 
   features.iwlwifi = true;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index d305359061a1..2ef35db1270b 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -72,10 +72,10 @@ rec {
     };
 
   grsecurity_unstable = grsecPatch
-    { kversion  = "4.0.7";
-      revision  = "201506300712";
+    { kversion  = "4.0.8";
+      revision  = "201507111211";
       branch    = "test";
-      sha256    = "0rw0wx5nc244m2q7f9y832mmkv8gb8yv1rn1w2pyq8brckiswni7";
+      sha256    = "1p9ym8hbwaan9pgxgn8k4rm3n33wl8ag1fzmyr5f4mxs634wgwgx";
     };
 
   grsec_fix_path =