diff --git a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
index 21261f98b865..7f7c54731f57 100644
--- a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
+++ b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
@@ -2,8 +2,8 @@
 
 let
   version = "4.12";
-  revision = "c";
-  sha256 = "1jbzadvmbw0xhpknyi26zdwhvfrxrwvccrbm621z3b3mklsmdzjn";
+  revision = "d";
+  sha256 = "1glhqk6py8wkv291fh57r4z5hbiymzkhr8cqrh3r97yni2zs6lj4";
 in
 
 import ./generic.nix (args // {