diff --git a/pkgs/development/python-modules/pythonqwt/default.nix b/pkgs/development/python-modules/pythonqwt/default.nix
index 818afbe3932e..8c0ee708cd65 100644
--- a/pkgs/development/python-modules/pythonqwt/default.nix
+++ b/pkgs/development/python-modules/pythonqwt/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "pythonqwt";
-  version = "0.14.2";
+  version = "0.14.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "PlotPyStack";
     repo = "PythonQwt";
     tag = "v${version}";
-    hash = "sha256-8bhcfm4sPA32IpEcS4Z12nfNgfmWJUDxDjX1TULWwCU=";
+    hash = "sha256-fWhu8HrPFpnoOg1u9qPViqynNnVbFGlm4rXFBlDHgro=";
   };
 
   build-system = [
@@ -53,7 +53,7 @@ buildPythonPackage rec {
   meta = {
     description = "Qt plotting widgets for Python (pure Python reimplementation of Qwt C++ library)";
     homepage = "https://github.com/PlotPyStack/PythonQwt";
-    changelog = "https://github.com/PlotPyStack/PythonQwt/blob/${src.rev}/CHANGELOG.md";
+    changelog = "https://github.com/PlotPyStack/PythonQwt/blob/${src.tag}/CHANGELOG.md";
     license = lib.licenses.lgpl21Only;
     maintainers = with lib.maintainers; [ doronbehar ];
   };