diff --git a/pkgs/development/python-modules/pyqt/6.x.nix b/pkgs/development/python-modules/pyqt/6.x.nix
index c2ef82a158c6..27a2ac736457 100644
--- a/pkgs/development/python-modules/pyqt/6.x.nix
+++ b/pkgs/development/python-modules/pyqt/6.x.nix
@@ -23,14 +23,14 @@
 
 buildPythonPackage rec {
   pname = "PyQt6";
-  version = "6.4.0";
+  version = "6.4.2";
   format = "pyproject";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-kTkkab4fSRkF+p54+k5AWaiathbd8uz9UlvB1lwmu5M=";
+    hash = "sha256-dAJE9gj+Fe4diWlcQ/MaFMrspBxPAqw2yG37pKXVgT0=";
   };
 
   patches = [