diff --git a/pkgs/development/python-modules/manifestoo-core/default.nix b/pkgs/development/python-modules/manifestoo-core/default.nix
index f427fb1ff56a..c9164c3bce05 100644
--- a/pkgs/development/python-modules/manifestoo-core/default.nix
+++ b/pkgs/development/python-modules/manifestoo-core/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "manifestoo-core";
-  version = "1.8.2";
+  version = "1.9";
   format = "pyproject";
 
   src = fetchPypi {
     inherit version;
     pname = "manifestoo_core";
-    hash = "sha256-e/kpgGaaQqPI+4WeHXYpVc01t5vexHlmsDuAoGFShEM=";
+    hash = "sha256-4cBgxbjXfOVMRQ+iQnjb/LdRUkoeb2hWI6VhSnqSMVM=";
   };
 
   nativeBuildInputs = [ hatch-vcs ];