diff --git a/flake.lock b/flake.lock
index b2dc793..4841c0b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1683354017,
+        "narHash": "sha256-r0BrHDaljUKyQS5FgA4P9xgK+dGa8L0XDL0vBdriEM8=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "65fdcbdc0bf35510a013d8a0883b0fa7a4ecd2a8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -38,9 +59,27 @@
     },
     "root": {
       "inputs": {
+        "fenix": "fenix",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs"
       }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1683321754,
+        "narHash": "sha256-qvyrgObeXw+h+P0VAvaARjRUWn5Ey1ckbs+1El2dc0Y=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "a4966c92829f945d3846eb0ca0e240ac7f7c8c60",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 9bb2242..426c191 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,27 +17,33 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {
     nixpkgs,
     home-manager,
+    fenix,
     ...
   }:
+
   let
     importConfiguration = directory:
 
     let
-     hostPlatform = import (directory + "/platform.nix");
-     # The folder name is the host name of the machine.
-     hostName = builtins.baseNameOf directory;
-     userName = import (directory + "/username.nix");
+      hostPlatform = import (directory + "/platform.nix");
+      # The folder name is the host name of the machine.
+      hostName = builtins.baseNameOf directory;
+      userName = import (directory + "/username.nix");
     in
-
     {
       nixosConfigurations.${hostName} = nixpkgs.lib.nixosSystem {
         specialArgs = {
-          lib =  nixpkgs.lib;
+          lib = nixpkgs.lib;
 
           pkgs = import nixpkgs {
             system = hostPlatform;
@@ -48,16 +54,21 @@
           homeManagerConfiguration = attrs: {
             home-manager.users.${userName} = attrs;
           };
+
+          inherit fenix;
         };
 
         modules = [
           directory
           home-manager.nixosModules.home-manager
 
-          # Extra configuration derived from the metadata.
           {
             networking.hostName = builtins.baseNameOf directory;
+
             nixpkgs.hostPlatform = hostPlatform;
+            nixpkgs.overlays = [
+              fenix.overlays.default
+            ];
 
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
diff --git a/machines/asus/nixpkgs/default.nix b/machines/asus/nixpkgs/default.nix
index 4200ba0..ebd9960 100644
--- a/machines/asus/nixpkgs/default.nix
+++ b/machines/asus/nixpkgs/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... } @ args:
+{ pkgs, fenix, ... } @ args:
 
 {
   environment.systemPackages = import ./packages.nix args;
diff --git a/machines/asus/nixpkgs/packages.nix b/machines/asus/nixpkgs/packages.nix
index 93b058e..8c5f0bf 100644
--- a/machines/asus/nixpkgs/packages.nix
+++ b/machines/asus/nixpkgs/packages.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: with pkgs; []
+{ pkgs, fenix, ... }: with pkgs; []
 
 ++ [ # APPLICATIONS
   firefox
@@ -53,6 +53,14 @@
   poetry
 ]
 
+++ [ (fenix.complete.withComponents [ # RUST
+  "rustc"
+  "rust-src"
+  "cargo"
+  "rustfmt"
+  "clippy"
+]) ]
+
 ++ [ # SHELLS
   # nushell # Declared in nushell/.
   starship