diff --git a/nix/package.nix b/nix/package.nix
index 635b13e..1eb07f8 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   buildNpmPackage,
+  importNpmLock,
   symlinkJoin,
 }:
 
@@ -13,7 +14,10 @@ let
     inherit pname version;
     name = "archtika-web-app";
     src = ../web-app;
-    npmDepsHash = "sha256-lO+4r/9jEbjkl6e2Dg84WJNin9zYgR7bmdPiBlHFxf0=";
+    npmDeps = importNpmLock {
+      npmRoot = ../web-app;
+    };
+    npmConfigHook = importNpmLock.npmConfigHook;
     npmFlags = [ "--legacy-peer-deps" ];
     installPhase = ''
       mkdir -p $out/web-app