diff --git a/pkgs/development/python-modules/validate-pyproject-schema-store/default.nix b/pkgs/development/python-modules/validate-pyproject-schema-store/default.nix
index f7c6d5caf878..8ef964145d32 100644
--- a/pkgs/development/python-modules/validate-pyproject-schema-store/default.nix
+++ b/pkgs/development/python-modules/validate-pyproject-schema-store/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "validate-pyproject-schema-store";
-  version = "2026.08.29";
+  version = "2026.09.04";
   pyproject = true;
 
   __structuredAttrs = true;
@@ -19,7 +19,7 @@ buildPythonPackage (finalAttrs: {
     owner = "henryiii";
     repo = "validate-pyproject-schema-store";
     tag = finalAttrs.version;
-    hash = "sha256-v5oCEVYjd/yruYrYTDhQ4i90BB3KhpvAxCXyZWtQ/yI=";
+    hash = "sha256-GgCqp3AdBomt67scee6kBWN5oMX27v5lSwNB8297HDE=";
   };
 
   build-system = [ hatchling ];