diff --git a/pkgs/development/python-modules/flet-core/default.nix b/pkgs/development/python-modules/flet-core/default.nix
index 8c5bde07e016..2b84348f36f5 100644
--- a/pkgs/development/python-modules/flet-core/default.nix
+++ b/pkgs/development/python-modules/flet-core/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "flet-core";
-  version = "0.18.0";
-  format = "pyproject";
+  version = "0.19.0";
+  pyproject = true;
 
   src = fetchPypi {
     pname = "flet_core";
     inherit version;
-    hash = "sha256-PbAzbDK9DkQBdrym9H3uBvPeeK8Qocq+t8veF+7izOQ=";
+    hash = "sha256-JRV56SwIhrsJHX/fzQKI0R2o/I+H5xXCXVu7uBiyIP8=";
   };
 
   nativeBuildInputs = [