diff --git a/pkgs/tools/text/mdbook-graphviz/default.nix b/pkgs/tools/text/mdbook-graphviz/default.nix
index 00bc5e50c8b4..253b579bb191 100644
--- a/pkgs/tools/text/mdbook-graphviz/default.nix
+++ b/pkgs/tools/text/mdbook-graphviz/default.nix
@@ -20,7 +20,8 @@ rustPlatform.buildRustPackage rec {
     hash = "sha256-f02SOyU5REm+uP4/vB/1yG9M0Vg8ShF2hj5NKuh0jLU=";
   };
 
-  cargoHash = "sha256-cMCNZ8Ezp7bFx4EnuZCXhqoaE0yN3iK9KnCYBYGPHKc=";
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-A1pFifxshWynwA88iLTMOm21NKCH8fHl5nFiV4wEG8A=";
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ CoreServices ];