diff --git a/pkgs/development/python-modules/pyproject-metadata/default.nix b/pkgs/development/python-modules/pyproject-metadata/default.nix
index 81e67b50ce7d..17bfc2aae673 100644
--- a/pkgs/development/python-modules/pyproject-metadata/default.nix
+++ b/pkgs/development/python-modules/pyproject-metadata/default.nix
@@ -9,13 +9,13 @@
 
 buildPythonPackage rec {
   pname = "pyproject-metadata";
-  version = "0.10.0";
+  version = "0.12.1";
   pyproject = true;
 
   src = fetchPypi {
     pname = "pyproject_metadata";
     inherit version;
-    hash = "sha256-f1vQ7zmLYBaVVssX6iYdcVyvf4VhI4FR9RsjBQhLqNQ=";
+    hash = "sha256-iAmk32/ggnmzmoiQZpUG7TFY4GF4Vaya/wmPy+dyrkw=";
   };
 
   build-system = [ flit-core ];