diff --git a/pyqt6_webengine-6.10.0-qt6.9.patch b/pyqt6_webengine-6.10.0-qt6.9.patch
new file mode 100644
index 0000000..3baf677
--- /dev/null
+++ b/pyqt6_webengine-6.10.0-qt6.9.patch
@@ -0,0 +1,27 @@
+diff -ur pyqt6_webengine-6.10.0/ChangeLog pyqt6_webengine-6.10.1.dev2510252014/ChangeLog
+--- pyqt6_webengine-6.10.0/ChangeLog	2025-10-16 12:34:51.202807400 +0200
++++ pyqt6_webengine-6.10.1.dev2510252014/ChangeLog	2025-10-26 02:07:11.511231400 +0200
+@@ -1,3 +1,11 @@
++commit d76a2a7f9c3215b33dbd41d4dacb78eb182900fe
++Author: Phil Thompson <phil@riverbankcomputing.com>
++Date:   Sat Oct 25 20:14:23 2025 +0100
++
++    Bug fixes
++    
++    Fixed a regression that caused builds to fail when using Qt v6.8 or v6.9.
++
+ commit 14b3e276ae013b46b2a9de0c6b89ea825eed9c05
+ Author: Phil Thompson <phil@riverbankcomputing.com>
+ Date:   Thu Oct 16 11:03:55 2025 +0100
+diff -ur pyqt6_webengine-6.10.0/sip/QtWebEngineCore/qwebenginesettings.sip pyqt6_webengine-6.10.1.dev2510252014/sip/QtWebEngineCore/qwebenginesettings.sip
+--- pyqt6_webengine-6.10.0/sip/QtWebEngineCore/qwebenginesettings.sip	2025-10-16 12:34:51.314369000 +0200
++++ pyqt6_webengine-6.10.1.dev2510252014/sip/QtWebEngineCore/qwebenginesettings.sip	2025-10-26 02:07:11.833061000 +0200
+@@ -124,7 +124,7 @@
+     QWebEngineSettings::UnknownUrlSchemePolicy unknownUrlSchemePolicy() const;
+     void setUnknownUrlSchemePolicy(QWebEngineSettings::UnknownUrlSchemePolicy policy);
+     void resetUnknownUrlSchemePolicy();
+-%If (QtWebEngine_6_10_0 -)
++%If (QtWebEngine_6_8_0 -)
+     typedef unsigned char uint8_t /PyInt/;
+ %End
+ %If (QtWebEngine_6_8_0 -)
diff --git a/python-PyQt6-WebEngine.changes b/python-PyQt6-WebEngine.changes
index a6dbf20..285db4f 100644
--- a/python-PyQt6-WebEngine.changes
+++ b/python-PyQt6-WebEngine.changes
@@ -1,8 +1,12 @@
 -------------------------------------------------------------------
-Wed Oct 29 09:40:39 UTC 2025 - Ben Greiner <code@bnavigator.de>
+Wed Oct 29 12:59:12 UTC 2025 - Ben Greiner <code@bnavigator.de>
 
 - Update to 6.10.0
   * Added support for Qt v6.10.
+- Add pyqt6_webengine-6.10.0-qt6.9.patch
+  * Fixes a regression that caused builds to fail when using Qt
+    v6.8 or v6.9.
+  * https://www.riverbankcomputing.com/pipermail/pyqt/2025-October/046353.html
 
 -------------------------------------------------------------------
 Mon Jun  9 17:52:21 UTC 2025 - Ben Greiner <code@bnavigator.de>
diff --git a/python-PyQt6-WebEngine.spec b/python-PyQt6-WebEngine.spec
index 8ba2b52..5012aa9 100644
--- a/python-PyQt6-WebEngine.spec
+++ b/python-PyQt6-WebEngine.spec
@@ -28,6 +28,8 @@ License:        GPL-3.0-only
 Group:          Development/Libraries/Python
 URL:            https://www.riverbankcomputing.com/software/pyqt3d
 Source:         https://files.pythonhosted.org/packages/source/P/PyQt6-%{qtlib}/pyqt6_webengine-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM pyqt6_webengine-6.10.0-qt6.9.patch -- https://www.riverbankcomputing.com/pipermail/pyqt/2025-October/046353.html
+Patch1:         pyqt6_webengine-6.10.0-qt6.9.patch
 BuildRequires:  %{python_module PyQt6-devel >= 6.2}
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pyqt-builder >= 1.17 with %python-pyqt-builder < 2}