diff --git a/pkgs/build-support/grsecurity/default.nix b/pkgs/build-support/grsecurity/default.nix
index e66b348d082..bd6ac84a0f8 100644
--- a/pkgs/build-support/grsecurity/default.nix
+++ b/pkgs/build-support/grsecurity/default.nix
@@ -32,7 +32,7 @@ let
 
     grKernel = if cfg.stable
                then mkKernel pkgs.linux_3_14 stable-patch
-               else mkKernel pkgs.linux_3_15 test-patch;
+               else mkKernel pkgs.linux_3_16 test-patch;
 
     ## -- grsecurity configuration ---------------------------------------------
 
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index c91b8ddfb44..d0794b23421 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -60,17 +60,17 @@ rec {
   };
 
   grsecurity_stable = grsecPatch
-    { kversion  = "3.14.17";
-      revision  = "201408260041";
+    { kversion  = "3.14.18";
+      revision  = "201409060013";
       branch    = "stable";
-      sha256    = "1brcfxbdd5f29vci3bj2dk3878z24ncrjw268j4i1n8ms65jqda0";
+      sha256    = "0dlri42z8rihhib0ahagia8z2ga4di1mc8y63n3s7ja0f2bvzy19";
     };
 
   grsecurity_unstable = grsecPatch
-    { kversion  = "3.15.10";
-      revision  = "201408212335";
+    { kversion  = "3.16.2";
+      revision  = "201409060014";
       branch    = "test";
-      sha256    = "0ynnci7jms5a1acn8cpdw4w2j4jz5xai1da5w1l5r65909kwmx0k";
+      sha256    = "1fnvmzfjpx74g5r1nilnynjyp18s5nnyw78znxdn33xxr5kdfzr4";
     };
 
   grsec_fix_path =