diff --git a/flake.lock b/flake.lock
index 8368dd6..2fa335d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -146,6 +146,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-imperium": {
+      "locked": {
+        "lastModified": 1733412085,
+        "narHash": "sha256-FillH0qdWDt/nlO6ED7h4cmN+G9uXwGjwmCnHs0QVYM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4dc2fc4e62dbf62b84132fe526356fbac7b03541",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-unfolder": {
       "locked": {
         "lastModified": 1732824227,
@@ -187,6 +203,7 @@
         "nixpkgs-backyard": "nixpkgs-backyard",
         "nixpkgs-catacomb": "nixpkgs-catacomb",
         "nixpkgs-empyrean": "nixpkgs-empyrean",
+        "nixpkgs-imperium": "nixpkgs-imperium",
         "nixpkgs-unfolder": "nixpkgs-unfolder",
         "nixpkgs-unstable": "nixpkgs-unstable"
       }
diff --git a/flake.nix b/flake.nix
index 57cd3ae..b05837a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,7 @@
     nixpkgs-backyard.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixpkgs-catacomb.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixpkgs-empyrean.url = "github:NixOS/nixpkgs/nixos-24.11";
+    nixpkgs-imperium.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixpkgs-unfolder.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-compat = {
@@ -27,6 +28,7 @@
     nixpkgs-backyard,
     nixpkgs-catacomb,
     nixpkgs-empyrean,
+    nixpkgs-imperium,
     nixpkgs-unfolder,
     nixpkgs-unstable,
     flake-compat,
@@ -63,7 +65,7 @@
           ./machine/empyrean
         ];
       };
-      imperium = nixpkgs-2411.lib.nixosSystem {
+      imperium = nixpkgs-imperium.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
           self.nixosModules.beatific
diff --git a/modules/tf2-gperftools.nix b/modules/tf2-gperftools.nix
index 1817b39..53c3c48 100644
--- a/modules/tf2-gperftools.nix
+++ b/modules/tf2-gperftools.nix
@@ -3,5 +3,5 @@
 # Module inputs
 { ... }:
 {
-  environment.systemPackages = [ inputs.nixpkgs-2405.legacyPackages."i686-linux".gperftools ];
+  environment.systemPackages = [ inputs.nixpkgs-2411.legacyPackages."i686-linux".gperftools ];
 }