diff --git a/flake.lock b/flake.lock
index 9a69cc9a..6cb2532a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,6 +21,27 @@
         "type": "github"
       }
     },
+    "home-manager-unstable": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709204054,
+        "narHash": "sha256-U1idK0JHs1XOfSI1APYuXi4AEADf+B+ZU4Wifc0pBHk=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "2f3367769a93b226c467551315e9e270c3f78b15",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "master",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nix-flatpak": {
       "locked": {
         "lastModified": 1708781964,
@@ -68,12 +89,30 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1709237383,
+        "narHash": "sha256-cy6ArO4k5qTx+l5o+0mL9f5fa86tYUX3ozE1S+Txlds=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "1536926ef5621b09bba54035ae2bb6d806d72ac8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "home-manager-unstable": "home-manager-unstable",
         "nix-flatpak": "nix-flatpak",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 2b94de3c..98adcdb0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     # handles flatpaks
     nix-flatpak.url = "github:gmodena/nix-flatpak"; # unstable branch. Use github:gmodena/nix-flatpak/?ref=<tag> to pin releases.
     # home-manager, used for managing user configuration
@@ -14,10 +15,18 @@
       # to avoid problems caused by different versions of nixpkgs.
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    home-manager-unstable = {
+      url = "github:nix-community/home-manager/master";
+      # The `follows` keyword in inputs is used for inheritance.
+      # Here, `inputs.nixpkgs` of home-manager is kept consistent with
+      # the `inputs.nixpkgs` of the current flake,
+      # to avoid problems caused by different versions of nixpkgs.
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
   };
 
-  outputs = inputs@{ nixpkgs, nix-flatpak, home-manager, nixos-hardware, ... }: {
+  outputs = inputs@{ nixpkgs, nixpkgs-unstable, nix-flatpak, home-manager, home-manager-unstable, nixos-hardware, ... }: {
     nixosConfigurations = {
       
       # T440p with i5-4210M and 16GB RAM.