diff --git a/fix-build-gcc14.patch b/fix-build-gcc14.patch
new file mode 100644
index 0000000..0e94e52
--- /dev/null
+++ b/fix-build-gcc14.patch
@@ -0,0 +1,18 @@
+From: Phil Thompson <phil@riverbankcomputing.com>
+Date: Mon, 4 Dec 2023 11:54:31 +0000
+Subject: [PATCH] Removed a warning message (soon to be an error message) in
+ the v12 module.
+
+Index: PyQt5_sip-12.13.0/siplib.c
+===================================================================
+--- PyQt5_sip-12.13.0.orig/siplib.c
++++ PyQt5_sip-12.13.0/siplib.c
+@@ -3902,7 +3902,7 @@ static int parsePass1(PyObject **parseEr
+     {
+     case '#':
+             /* A ctor has an argument with the /Transfer/ annotation. */
+-            *selfp = va_arg(va, PyObject *);
++            *selfp = (sipSimpleWrapper *)va_arg(va, PyObject *);
+             break;
+ 
+     case 'B':
diff --git a/python-qt5-sip.changes b/python-qt5-sip.changes
index 09605fb..cd3a20a 100644
--- a/python-qt5-sip.changes
+++ b/python-qt5-sip.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Mar  7 07:49:00 UTC 2024 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Add patch to fix build with GCC14 (boo#1221016)
+- Switch to %autosetup
+
 -------------------------------------------------------------------
 Sun Oct 15 13:56:21 UTC 2023 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-qt5-sip.spec b/python-qt5-sip.spec
index 7dd79ee..f78aaa7 100644
--- a/python-qt5-sip.spec
+++ b/python-qt5-sip.spec
@@ -25,7 +25,8 @@ Summary:        The sip module support for PyQt5
 URL:            https://www.riverbankcomputing.com/software/sip/
 Group:          Development/Languages/Python
 Source0:        https://files.pythonhosted.org/packages/source/P/PyQt5-sip/PyQt5_sip-%{version}.tar.gz
-Patch0:         support-python3.6.patch
+Patch0:         fix-build-gcc14.patch
+Patch100:       support-python3.6.patch
 BuildRequires:  %{python_module devel >= 3.6}
 BuildRequires:  %{python_module setuptools >= 30.3}
 BuildRequires:  fdupes
@@ -44,8 +45,7 @@ bindings for any C or C++ library. For example, it is also used to
 create wxPython, the Python bindings for the wxWidget toolkit.
 
 %prep
-%setup -q -n PyQt5_sip-%{version}
-%patch0 -p1
+%autosetup -p1 -n PyQt5_sip-%{version}
 
 %build
 %python_build