diff --git a/doc/package.nix b/doc/package.nix
index 2b3aaa9..8134412 100644
--- a/doc/package.nix
+++ b/doc/package.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = ./.;
   pnpmDeps = fetchPnpmDeps {
     inherit (finalAttrs) pname version src;
-    fetcherVersion = 3;
+    fetcherVersion = 4;
     hash = "sha256-mtSmorB2h/foe3X4yOsoTX/4fAw/bOCZIcUdIR34eXs=";
   };
   patchPhase = ''