diff --git a/pkgs/os-specific/linux/kernel/linux-4.1.nix b/pkgs/os-specific/linux/kernel/linux-4.1.nix
index e8534656349..6c0ba082e36 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.1.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.1.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "4.1.4";
+  version = "4.1.5";
   # Remember to update grsecurity!
   extraMeta.branch = "4.1";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "17whsim5l9i486y5kchfpm9jhbr9lak4a1gdqygp5kwfrfyz5qiy";
+    sha256 = "0v40vhcs3hkjw7gl71jq03ziz93cfh3vlpn686kc9y1nnbcxks5j";
   };
 
   features.iwlwifi = true;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index f3e33047e8b..8603ccb82c7 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  = "4.1.4";
-      revision  = "201508032312";
+    { kversion  = "4.1.5";
+      revision  = "201508102129";
       branch    = "test";
-      sha256    = "16p1wq98qgwksav0ry6b5jyyi26s404v1k0cwpj7l7n86hxig67i";
+      sha256    = "1pc40xd7k0fzzd99lshy58gnapv701hjvc4bm0slfzagh241545a";
     };
 
   grsec_fix_path =