diff --git a/pkgs/by-name/md/mdbook/package.nix b/pkgs/by-name/md/mdbook/package.nix
index 52fa8ca72ca1..fff84963849e 100644
--- a/pkgs/by-name/md/mdbook/package.nix
+++ b/pkgs/by-name/md/mdbook/package.nix
@@ -11,7 +11,7 @@
 let
   version = "0.4.43";
 in
-rustPlatform.buildRustPackage {
+rustPlatform.buildRustPackage rec {
   inherit version;
   pname = "mdbook";
 
@@ -22,7 +22,11 @@ rustPlatform.buildRustPackage {
     hash = "sha256-aADNcuIeDef9+a3NOWQxo6IRnKJ6AbkvE4GqvFbubyI=";
   };
 
-  cargoHash = "sha256-8K72sJywMKxX/31SJuCEoacWvHrpkuwGGLXJ9MsDkTE=";
+  cargoDeps = rustPlatform.fetchCargoVendor {
+    inherit pname version src;
+    allowGitDependencies = false;
+    hash = "sha256-W5hg6ECNQRIh07ogZkXTn51el2YltutY86aJBYFDTP4=";
+  };
 
   nativeBuildInputs = [ installShellFiles ];