diff --git a/configuration.nix b/configuration.nix
index 88770b9..5c7fbf9 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -94,6 +94,7 @@
   # List packages installed in system profile.
   # You can use https://search.nixos.org/ to find more packages (and options).
   environment.systemPackages = with pkgs; [
+    btop
     micro
   ];
 
diff --git a/flake.lock b/flake.lock
index 0e55014..9d95db6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1758427187,
-        "narHash": "sha256-pHpxZ/IyCwoTQPtFIAG2QaxuSm8jWzrzBGjwQZIttJc=",
+        "lastModified": 1758690382,
+        "narHash": "sha256-NY3kSorgqE5LMm1LqNwGne3ZLMF2/ILgLpFr1fS4X3o=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "554be6495561ff07b6c724047bdd7e0716aa7b46",
+        "rev": "e643668fd71b949c53f8626614b21ff71a07379d",
         "type": "github"
       },
       "original": {