diff --git a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
index d141d7f4211c..f02a65b90a1a 100644
--- a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
+++ b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
@@ -3,9 +3,9 @@
 with stdenv.lib;
 
 let
-  version = "4.13.5";
+  version = "4.13.6";
   revision = "a";
-  sha256 = "139qa6iyyjwn81v6z66ry1sifdvkbnql45m740djc0gv37il7mzv";
+  sha256 = "1xmnnwwlnc7s5zf08rzb4zqd52iysz81y9iqdn7rdqr3c8j7pdv9";
 
   # modVersion needs to be x.y.z, will automatically add .0 if needed
   modVersion = concatStrings (intersperse "." (take 3 (splitString "." "${version}.0")));