diff --git a/pkgs/os-specific/linux/kernel/linux-grsecurity.nix b/pkgs/os-specific/linux/kernel/linux-grsecurity.nix
index e6e26a4ae5a9..e0e8fbaf95e8 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 = "4.8.8";
+  version = "4.8.10";
   extraMeta.branch = "4.8";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "0hm60zjsp22rbh8jz4d8rpwsj6bysmlcm0c5m1cxpnfj6cqcjp7w";
+    sha256 = "1i3hydxjl3zz4i3v2spnv5y5pidmwgiyc10q6rlwvf0bs8aynh53";
   };
 
   kernelPatches = args.kernelPatches;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index db1ce8c38013..489212f612f4 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -86,9 +86,9 @@ rec {
   };
 
   grsecurity_testing = grsecPatch
-    { kver   = "4.8.8";
-      grrev  = "201611150756";
-      sha256 = "04sankbjlrji3hrhgwfvmgkrh5ypblb706i0hch4sn3vcc0dq87b";
+    { kver   = "4.8.10";
+      grrev  = "201611210813";
+      sha256 = "1an1fqzmh133hr6r9y4y9b5qkaf8xwlfgymg97ygbwqdygjvp81b";
     };
 
   # This patch relaxes grsec constraints on the location of usermode helpers,