diff --git a/pkgs/development/python-modules/geographiclib/default.nix b/pkgs/development/python-modules/geographiclib/default.nix
index 05a23a6dec88..23dce71bb032 100644
--- a/pkgs/development/python-modules/geographiclib/default.nix
+++ b/pkgs/development/python-modules/geographiclib/default.nix
@@ -3,18 +3,21 @@
   buildPythonPackage,
   fetchPypi,
   pytestCheckHook,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "geographiclib";
-  version = "2.0";
-  format = "setuptools";
+  version = "2.1";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-9/Qchdw+HC09k17IZmDcOyyEjIPhf5qeUbqdUUahWFk=";
+    hash = "sha256-amVF5iYtDtNSLhPFFXE3GHl+N+2MZywxrXsknzcu8Qg=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "geographiclib" ];