diff --git a/pkgs/os-specific/linux/kernel/linux-3.12.nix b/pkgs/os-specific/linux/kernel/linux-3.12.nix
index da520d13a02..2fdabf30c99 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.12.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.12.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, perl, buildLinux, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.12.48";
+  version = "3.12.49";
   extraMeta.branch = "3.12";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-    sha256 = "1mvvpi2s8avg629y72miak8mdbv0mwb5dz0m7b48aah6dg866hiz";
+    sha256 = "1vl8ghwhrs2sxd7kgi95nqlmf5k8ps0kr2lyly40ys262174i8lg";
   };
 
   features.iwlwifi = true;