diff --git a/pkgs/development/python-modules/flask-marshmallow/default.nix b/pkgs/development/python-modules/flask-marshmallow/default.nix
index ccb8b8852c18..13aa66bb0111 100644
--- a/pkgs/development/python-modules/flask-marshmallow/default.nix
+++ b/pkgs/development/python-modules/flask-marshmallow/default.nix
@@ -13,16 +13,16 @@
 
 buildPythonPackage rec {
   pname = "flask-marshmallow";
-  version = "1.2.1";
+  version = "1.3.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "marshmallow-code";
     repo = "flask-marshmallow";
     tag = version;
-    hash = "sha256-GQLkt/CJf/QI8emvlW8xSRziGnncwfMSxBccW0Bb8I0=";
+    hash = "sha256-dK2bE5mZiFh0nAN2yRpABT+SGG/UGWJ1oDtnD6bgyXk=";
   };
 
   build-system = [ flit-core ];