diff --git a/pkgs/os-specific/linux/kernel/linux-grsecurity.nix b/pkgs/os-specific/linux/kernel/linux-grsecurity.nix
index d009a4fd11fe..70cda7502798 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 = "4.9.18";
+  version = "4.9.19";
   extraMeta.branch = "4.9";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha512 = "0l60ny68qwjf585x84yxipndv2g00g08rm4k6hd7k8s93kf3h7lvspsbdg1g1nw50g8dc3n0w31pqads7b2ha6zf39jh77cx7449rn3";
+    sha512 = "13wzalzrhgvs6jfzrh8y9c90scliw6rl1vpyyh95va5wph5b8fczr136pbzpwzjaql7x5xyn3s57rmakpc5k8b34ng8hr6jzj6kiyq0";
   };
 
   kernelPatches = args.kernelPatches;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index cd535a522d3a..ee4c161d739d 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -95,9 +95,9 @@ rec {
   };
 
   grsecurity_testing = grsecPatch
-    { kver   = "4.9.18";
-      grrev  = "201703261106";
-      sha512 = "2zr38i847fpxi631kv4l88zgj9xzc8fvyjyk5db4d53n35pp7vxdw4iq89wp6z1n5hmzwdp5kqvq3z3hn9va3yvhh88aq0dza48lgfx";
+    { kver   = "4.9.19";
+      grrev  = "201703300917";
+      sha512 = "04fyrxyxa817qw2fbpdrw2z5xmfhjaf9kgzrfdqg1rnxnwwp1x9alm3qwkvlw0s9hcph3jln7z19jiw0fh6s82pb337cnhr1iiikax4";
     };
 
   # This patch relaxes grsec constraints on the location of usermode helpers,