diff --git a/webapp.nix b/webapp.nix
index 851b203..16278c8 100644
--- a/webapp.nix
+++ b/webapp.nix
@@ -21,7 +21,7 @@ let
     pnpmDeps = pkgs.fetchPnpmDeps {
       inherit (finalAttrs) pname version src;
       hash = cfg.pnpmDepsHash;
-      fetcherVersion = 2;
+      fetcherVersion = 3;
     };
 
     nativeBuildInputs = [ pkgs.nodejs_20 pkgs.pnpmConfigHook ];