diff --git a/pkgs/development/python-modules/timezonefinder/default.nix b/pkgs/development/python-modules/timezonefinder/default.nix
index 94482d760678..e869dc7ddc85 100644
--- a/pkgs/development/python-modules/timezonefinder/default.nix
+++ b/pkgs/development/python-modules/timezonefinder/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "timezonefinder";
-  version = "6.5.2";
+  version = "6.5.3";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -23,16 +23,17 @@ buildPythonPackage rec {
     owner = "jannikmi";
     repo = "timezonefinder";
     rev = "refs/tags/${version}";
-    hash = "sha256-2vQk7aSsyyh3mN1l4A5Y5yASJ2V7e4fegsOExGwyhGA=";
+    hash = "sha256-8fDKgM6LVe7aJgD4UfTpg0EjKGuudzYsmqniocozmAE=";
   };
 
-  nativeBuildInputs = [
-    cffi
+  build-system = [
     poetry-core
     setuptools
   ];
 
-  propagatedBuildInputs = [
+  nativeBuildInputs = [ cffi ];
+
+  dependencies = [
     cffi
     h3
     numpy
@@ -53,9 +54,9 @@ buildPythonPackage rec {
   meta = with lib; {
     changelog = "https://github.com/jannikmi/timezonefinder/blob/${version}/CHANGELOG.rst";
     description = "Module for finding the timezone of any point on earth (coordinates) offline";
-    mainProgram = "timezonefinder";
     homepage = "https://github.com/MrMinimal64/timezonefinder";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
+    mainProgram = "timezonefinder";
   };
 }