diff --git a/pkgs/development/python-modules/nh3/default.nix b/pkgs/development/python-modules/nh3/default.nix
index 0a30e71eb1c4..d1437292d7bb 100644
--- a/pkgs/development/python-modules/nh3/default.nix
+++ b/pkgs/development/python-modules/nh3/default.nix
@@ -23,10 +23,10 @@ buildPythonPackage {
   format = "pyproject";
   disabled = pythonOlder "3.8";
 
-  cargoDeps = rustPlatform.fetchCargoTarball {
+  cargoDeps = rustPlatform.fetchCargoVendor {
     inherit src;
     name = "${pname}-${version}";
-    hash = "sha256-NmSOmM3OHiBx1xwlV2QyliQxDMNFApOlEehxfwyEU0I=";
+    hash = "sha256-cYdwN/PpG1ae6lBRk5usXSwBjH37BpQEp5JLLQ2NRNU=";
   };
 
   nativeBuildInputs = with rustPlatform; [