diff --git a/flake.lock b/flake.lock
index 7f9a226..1a20b85 100644
--- a/flake.lock
+++ b/flake.lock
@@ -35,7 +35,24 @@
     "root": {
       "inputs": {
         "nixpkgs": "nixpkgs",
-        "nixpkgs-23.05": "nixpkgs-23.05"
+        "nixpkgs-23.05": "nixpkgs-23.05",
+        "unstable": "unstable"
+      }
+    },
+    "unstable": {
+      "locked": {
+        "lastModified": 1708807242,
+        "narHash": "sha256-sRTRkhMD4delO/hPxxi+XwLqPn8BuUq6nnj4JqLwOu0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "73de017ef2d18a04ac4bfd0c02650007ccb31c2a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index afa9fdb..514cd4c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,15 +2,17 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
     "nixpkgs-23.05".url = "github:NixOS/nixpkgs/nixos-23.05";
+    unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, nixpkgs, ... }@attrs: {
+  outputs = { self, nixpkgs, unstable, ... }@attrs: {
     nixosConfigurations."egirls" = nixpkgs.lib.nixosSystem rec {
       system = "x86_64-linux";
       pkgs = let
         cfg = {
           inherit system;
           config.allowUnfree = true;
+          overlays = [ (final: prev: { unstable = import unstable cfg; }) ];
         };
       in import nixpkgs cfg;
 
diff --git a/misskey-service.nix b/misskey-service.nix
index bf0fdb0..4e3687d 100644
--- a/misskey-service.nix
+++ b/misskey-service.nix
@@ -65,4 +65,7 @@
       '';
     };
   };
+
+  environment.systemPackages = let nodejs = pkgs.unstable.nodejs_20;
+  in with pkgs; [ (nodePackages.override { inherit nodejs; }).pnpm nodejs ];
 }