diff --git a/pkgs/os-specific/linux/kernel/linux-3.19.nix b/pkgs/os-specific/linux/kernel/linux-3.19.nix
index 2a34202c895..10c6215f871 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.19.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.19.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.19.2";
+  version = "3.19.3";
   # Remember to update grsecurity!
   extraMeta.branch = "3.19";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-    sha256 = "0b8bfpfpyrpccb8v4nld0a0siricg8f3awmhz8wn4kwdvhhf83hc";
+    sha256 = "0nis1r9fg562ysirzlyvfxvirpcfhxhhpfv3s13ccz20qiqiy46f";
   };
 
   features.iwlwifi = true;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index a2473e3f4c8..9018ccb8a67 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  = "3.19.2";
-      revision  = "201503201903";
+    { kversion  = "3.19.3";
+      revision  = "201503270049";
       branch    = "test";
-      sha256    = "0ha4hvf2c9im9cyq9sxdbdx165i6ngywf46899aq3giyw74gnpf3";
+      sha256    = "0m76p947gr0bqk6xxb237bpf4ikxjzycjzq4i2szm4n86k9sfac0";
     };
 
   grsec_fix_path =