diff --git a/nixos/overlays/default.nix b/nixos/overlays/default.nix
index c5025b9..70ad53b 100644
--- a/nixos/overlays/default.nix
+++ b/nixos/overlays/default.nix
@@ -9,15 +9,20 @@ let
   termiusOverlay = self: super: {
     termius = super.callPackage ./termius { };
   };
+
   modsOverlay = self: super: {
     mods = super.callPackage ./charm-mods { };
   };
+
+   smartmontoolsOverlay = import ./smartmontools { };
 in
 {
-  nur = inputs.nur.overlay;
-  vivaldi = vivaldiOverlay;
-  termius = termiusOverlay;
+  comm-packages = inputs.nix-vscode-extensions.overlays.default;
   mods = modsOverlay;
+  nur = inputs.nur.overlay;
+  smartmontools = smartmontoolsOverlay;
+  termius = termiusOverlay;
+  vivaldi = vivaldiOverlay;
 
   # The unstable nixpkgs set (declared in the flake inputs) will
   # be accessible through 'pkgs.unstable'
@@ -28,6 +33,4 @@ in
     };
   };
 
-  # VSCode Community Packages
-  comm-packages = inputs.nix-vscode-extensions.overlays.default;
 }
diff --git a/nixos/overlays/smartmontools/default.nix b/nixos/overlays/smartmontools/default.nix
new file mode 100644
index 0000000..2864bee
--- /dev/null
+++ b/nixos/overlays/smartmontools/default.nix
@@ -0,0 +1,15 @@
+{ ... }:
+let
+  dbrev = "5530";
+  drivedbBranch = "RELEASE_7_4";
+in
+final: prev: {
+  smartmontools = prev.smartmontools.overrideAttrs (oldAttrs: {
+    inherit dbrev drivedbBranch;
+    driverdb = builtins.fetchurl {
+      url = "https://sourceforge.net/p/smartmontools/code/${dbrev}/tree/tags/${drivedbBranch}/smartmontools/drivedb.h?format=raw";
+      sha256 = "sha256-BTZm9Ue7MxFygEValSs/d86Jz3xQU+4+EPdHO6erAmI=";
+      name = "smartmontools-drivedb.h";
+    };
+  });
+}
diff --git a/nixos/overlays/smartmontools/getsmartdbhash.sh b/nixos/overlays/smartmontools/getsmartdbhash.sh
new file mode 100755
index 0000000..d8da78c
--- /dev/null
+++ b/nixos/overlays/smartmontools/getsmartdbhash.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -I nixpkgs=/etc/nix/inputs/nixpkgs/ -i bash -p nix
+set -euo pipefail
+
+dbrev="5530"
+drivedbBranch="RELEASE_7_4"
+url="https://sourceforge.net/p/smartmontools/code/${dbrev}/tree/tags/${drivedbBranch}/smartmontools/drivedb.h?format=raw"
+
+echo "Fetching hash for URL: $url"
+
+hash=$(nix-prefetch-url "$url")
+sri=$(nix-hash --type sha256 --flat --base32 --to-sri "$hash")
+
+echo "Hash: $hash"
+echo "Sri: $sri"