diff --git a/src/kernel/default.nix b/src/kernel/default.nix
index 7ddff55..38bf993 100644
--- a/src/kernel/default.nix
+++ b/src/kernel/default.nix
@@ -8,13 +8,14 @@
 
 let
   inherit (nixpkgsOnBuildForHost) stdenv;
-  version = "5.4.209";
+  version = "5.4.218";
+  hash = "sha256-Pd10AoU31newwCsXz9+IH06933VVJsy5zX+Yg3Gp9Dg=";
 in stdenv.mkDerivation {
   pname = "linux";
   inherit version;
   src = nixpkgsOnBuildForBuild.fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "1kdnz99k7zspzaxqaxahbf6hncigy4cvjlb79jsy7a95qxxr31qf";
+    inherit hash;
   };
   enableParallelBuilding = true;
   prePatch = "patchShebangs scripts";