diff --git a/pkgs/development/python-modules/unearth/default.nix b/pkgs/development/python-modules/unearth/default.nix
index f1a61014e496..bcf6f5afa788 100644
--- a/pkgs/development/python-modules/unearth/default.nix
+++ b/pkgs/development/python-modules/unearth/default.nix
@@ -4,7 +4,7 @@
 , pythonOlder
 , cached-property
 , packaging
-, pdm-pep517
+, pdm-backend
 , requests
 , flask
 , pytest-httpserver
@@ -15,18 +15,18 @@
 
 buildPythonPackage rec {
   pname = "unearth";
-  version = "0.9.2";
+  version = "0.10.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-hF9LVzOHTOO0JyEm3kluq+AKSa1nj90E1ILR533u1CU=";
+    hash = "sha256-1bFSpasqo+UUmhHPezulxdSTF23KOPZsqJadrdWo9kU=";
   };
 
   nativeBuildInputs = [
-    pdm-pep517
+    pdm-backend
   ];
 
   propagatedBuildInputs = [