diff --git a/pkgs/os-specific/linux/kernel/linux-3.18.nix b/pkgs/os-specific/linux/kernel/linux-3.18.nix
index e12588e052b..b3e46a8ef8b 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.18.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.18.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.18.1";
+  version = "3.18.2";
   # Remember to update grsecurity!
   extraMeta.branch = "3.18";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-    sha256 = "13m0s2m0zg304w86yvcmxgbjl41c4kc420044avi8rnr1xwcscsq";
+    sha256 = "1gqs5c3s2qm5slhmqwdrrnkjn0w4mwaj71q79x8qxhyxvnagm40h";
   };
 
   features.iwlwifi = true;
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 0d6b615cc62..24fbc0f4e50 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -67,10 +67,10 @@ rec {
     };
 
   grsecurity_unstable = grsecPatch
-    { kversion  = "3.18.1";
-      revision  = "201501042021";
+    { kversion  = "3.18.2";
+      revision  = "201501111422";
       branch    = "test";
-      sha256    = "0x9sbxflmpvqki9n5gpxmmkf8043xbfg87glcwk3xc7kzjaqhcq3";
+      sha256    = "1scr69zkg1w28923s43rfvip1f7kg2f4w7gb3n2f3sdwyd7zg2bc";
     };
 
   grsec_fix_path =