diff --git a/flake.lock b/flake.lock
index e5cf64ef..3aa04281 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1749398372,
-        "narHash": "sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98=",
+        "lastModified": 1756770412,
+        "narHash": "sha256-+uWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569",
+        "rev": "4524271976b625a4a605beefd893f270620fd751",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1750506804,
-        "narHash": "sha256-VLFNc4egNjovYVxDGyBYTrvVCgDYgENp5bVi9fPTDYc=",
+        "lastModified": 1756787288,
+        "narHash": "sha256-rw/PHa1cqiePdBxhF66V7R+WAP8WekQ0mCDG4CFqT8Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4206c4cb56751df534751b058295ea61357bbbaa",
+        "rev": "d0fc30899600b9b3466ddb260fd83deb486c32f1",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1748740939,
-        "narHash": "sha256-rQaysilft1aVMwF14xIdGS3sj1yHlI6oKQNBRTF40cc=",
+        "lastModified": 1754788789,
+        "narHash": "sha256-x2rJ+Ovzq0sCMpgfgGaaqgBSwY+LST+WbZ6TytnT9Rk=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "656a64127e9d791a334452c6b6606d17539476e2",
+        "rev": "a73b9c743612e4244d865a2fdee11865283c04e6",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e54186ea..5f75fceb 100755
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 # Special thanks to @Sk7Str1p3, @mourogurt, @kaeeraa, @mctrxw for help with this flake and packages
 {
   description = ''
-    Millennium - an open-source low-code modding framework to create, 
+    Millennium - an open-source low-code modding framework to create,
     manage and use themes/plugins for the desktop Steam Client
   '';
 
@@ -14,28 +14,30 @@
   outputs =
     { nixpkgs, self, ... }:
     let
+      inherit (self.packages.${system}) millennium;
+      system = "x86_64-linux";
       pkgs = import nixpkgs {
-        system = "x86_64-linux";
+        inherit system;
         config.allowUnfree = true;
       };
     in
     {
-      overlays.default = final: prev: rec {
-        inherit (self.packages."x86_64-linux") millennium;
+      overlays.default = final: prev: {
+        inherit system;
         steam-millennium = final.steam.override (prev: {
-          extraProfile =
-            ''
-              export LD_LIBRARY_PATH="${millennium}/lib/millenium/''${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
-              export LD_PRELOAD="${millennium}/lib/millennium/libmillennium_x86.so''${LD_PRELOAD:+:$LD_PRELOAD}"
-            ''
-            + (prev.extraProfile or "");
+          extraPkgs = pkgs: [ pkgs.git ];
+          extraProfile = ''
+            export LD_LIBRARY_PATH="${millennium}/lib/millenium/''${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+            export LD_PRELOAD="${millennium}/lib/millennium/libmillennium_x86.so''${LD_PRELOAD:+:$LD_PRELOAD}"
+          ''
+          + (prev.extraProfile or "");
         });
       };
 
-      devShells."x86_64-linux".default = import ./shell.nix { inherit pkgs; };
+      devShells.${system}.default = import ./shell.nix { inherit pkgs; };
 
-      packages."x86_64-linux" = {
-        default = self.packages."x86_64-linux".millennium;
+      packages.${system} = {
+        default = self.packages.${system}.millennium;
         millennium = pkgs.callPackage ./nix/millennium.nix { };
         shims = pkgs.callPackage ./nix/typescript/shims.nix { };
         assets = pkgs.callPackage ./nix/assets.nix { };
@@ -43,6 +45,9 @@
           millennium = pkgs.callPackage ./nix/python/millennium.nix { };
           core-utils = pkgs.callPackage ./nix/python/core-utils.nix { };
         };
+        # basic script to update pnpm hashes in the shims and assets package definitions
+        # usage: nix run .#update-pnpm-hashes
+        update-pnpm-hashes = pkgs.callPackage ./nix/update.nix { };
       };
     };
 }
diff --git a/nix/assets.nix b/nix/assets.nix
index b689ea20..9196657c 100644
--- a/nix/assets.nix
+++ b/nix/assets.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   src = ../assets;
   pnpmDeps = pnpm.fetchDeps {
     inherit src version pname;
-    hash = "sha256-nDSltpFQRM9loVuDour4OrRdN22/A7MkZTGAtL0x7rU=";
+    hash = "sha256-/H3Np/FjxEdU/TwqPPJlpNti2vfyNqUQ2CNIvzlSemA=";
     fetcherVersion = 2;
   };
   nativeBuildInputs = [
diff --git a/nix/millennium.nix b/nix/millennium.nix
index 1c4a2734..d321e24e 100755
--- a/nix/millennium.nix
+++ b/nix/millennium.nix
@@ -86,7 +86,7 @@ pkgsi686Linux.stdenv.mkDerivation {
 
     mkdir -p $out/lib/millennium
     cp libmillennium_x86.so $out/lib/millennium
-    
+
     runHook postInstall
   '';
   NIX_CFLAGS_COMPILE = [
diff --git a/nix/python/core-utils.nix b/nix/python/core-utils.nix
index 1ca7a19b..4102f7d2 100644
--- a/nix/python/core-utils.nix
+++ b/nix/python/core-utils.nix
@@ -1,4 +1,4 @@
-{pkgs}: 
+{ pkgs }:
 pkgs.python311Packages.buildPythonPackage {
   pname = "millennium-core-utils";
   version = "git";
@@ -11,4 +11,4 @@ pkgs.python311Packages.buildPythonPackage {
     cp ${../../sdk/package.json} ./millennium/package.json
     cp ${../../sdk/README.md} ./millennium/README.md
   '';
-}
\ No newline at end of file
+}
diff --git a/nix/python/millennium.nix b/nix/python/millennium.nix
index f9ffb5bd..06195d45 100644
--- a/nix/python/millennium.nix
+++ b/nix/python/millennium.nix
@@ -1,4 +1,4 @@
-{pkgs}: 
+{ pkgs }:
 pkgs.python311Packages.buildPythonPackage {
   pname = "millennium";
   version = "git";
@@ -11,4 +11,4 @@ pkgs.python311Packages.buildPythonPackage {
     cp ${../../sdk/package.json} ./millennium/package.json
     cp ${../../sdk/README.md} ./millennium/README.md
   '';
-}
\ No newline at end of file
+}
diff --git a/nix/typescript/shims.nix b/nix/typescript/shims.nix
index 803d68da..ac0e2848 100644
--- a/nix/typescript/shims.nix
+++ b/nix/typescript/shims.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   pnpmDeps = pnpm.fetchDeps {
     inherit src version pname;
     #TODO: automatic hash update
-    hash = "sha256-LofHepVz6CjbAXkUwwNFVzlbmPq+g/gJvkBka9I/gHo=";
+    hash = "sha256-Je0nigOKUklS+7iE1R0vwIMe+cDeOZccIXQ7nLeD9Ao=";
     fetcherVersion = 2;
   };
 
diff --git a/nix/update.nix b/nix/update.nix
new file mode 100644
index 00000000..fb038bf6
--- /dev/null
+++ b/nix/update.nix
@@ -0,0 +1,9 @@
+{
+  lib,
+  writeShellScriptBin,
+  nix-update,
+}:
+writeShellScriptBin "update-pnpm-hashes" ''
+  ${lib.getExe nix-update} --version skip --flake assets
+  ${lib.getExe nix-update} --version skip --flake shims
+''
diff --git a/shell.nix b/shell.nix
index e051df8a..855b9a14 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,4 +1,6 @@
-{pkgs ? import <nixpkgs>}:
+{
+  pkgs ? import <nixpkgs>,
+}:
 with pkgs;
 
 mkShell {
@@ -9,4 +11,4 @@ mkShell {
     nixfmt-rfc-style
     mypy
   ];
-}
\ No newline at end of file
+}