diff --git a/pkgs/development/python-modules/lockfile/default.nix b/pkgs/development/python-modules/lockfile/default.nix
index e941da384efa3..04e4bc881bfc4 100644
--- a/pkgs/development/python-modules/lockfile/default.nix
+++ b/pkgs/development/python-modules/lockfile/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "6aed02de03cba24efabcd600b30540140634fc06cfa603822d508d5361e9f799";
+    hash = "sha256-au0C3gPLok76vNYAswVAFAY0/AbPpgOCLVCNU2Hp95k=";
   };
 
   patches = [ ./fix-tests.patch ];
@@ -26,9 +26,9 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://launchpad.net/pylockfile";
     description = "Platform-independent advisory file locking capability for Python applications";
-    license = licenses.asl20;
+    license = lib.licenses.asl20;
   };
 }