diff --git a/pkgs/development/python-modules/blinker/default.nix b/pkgs/development/python-modules/blinker/default.nix
index c32e23e56a92..d338057e70a6 100644
--- a/pkgs/development/python-modules/blinker/default.nix
+++ b/pkgs/development/python-modules/blinker/default.nix
@@ -13,15 +13,15 @@
 
 buildPythonPackage rec {
   pname = "blinker";
-  version = "1.8.2";
-  format = "pyproject";
+  version = "1.9.0";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-j3ewnTv3x5XpaelIbznCxenDnU7gdCS+K8WU7OlkLYM=";
+    hash = "sha256-tM4iZaer7ORefMiW6Y2+vmzq1WvPgFo9IxNtFF9URb8=";
   };
 
-  nativeBuildInputs = [ flit-core ];
+  build-system = [ flit-core ];
 
   pythonImportsCheck = [ "blinker" ];