diff --git a/pkgs/os-specific/linux/kernel/linux-3.12.nix b/pkgs/os-specific/linux/kernel/linux-3.12.nix
index 8c68a09a5359..6c59c9abc840 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, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.12.33";
+  version = "3.12.34";
   extraMeta.branch = "3.12";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-    sha256 = "18vrlrda8xa6j7771x8bwl7vrhvi2kmrp91nlwhkqr4siwkh0jxp";
+    sha256 = "037dn7qraqpck36pla4qi60k58kh4h52wfgfnb3mhqy38x2fnrzh";
   };
 
   features.iwlwifi = true;