diff --git a/sip-4.19.25-ftbfs-python-3.15.patch b/sip-4.19.25-ftbfs-python-3.15.patch
new file mode 100644
index 0000000..31ec6b9
--- /dev/null
+++ b/sip-4.19.25-ftbfs-python-3.15.patch
@@ -0,0 +1,20 @@
+diff -up sip-4.19.25/siplib/qtlib.c.pyweekref_getobject sip-4.19.25/siplib/qtlib.c
+--- sip-4.19.25/siplib/qtlib.c.pyweekref_getobject	2021-02-26 16:17:35.136483000 +0100
++++ sip-4.19.25/siplib/qtlib.c	2025-11-12 18:23:13.020805318 +0100
+@@ -24,6 +24,16 @@
+ 
+ #include "sipint.h"
+ 
++// Fix FTBFS with python3.15
++#if PY_VERSION_HEX >= 0x30F00A1
++static inline PyObject *compat_PyWeakref_GetObject(PyObject *ref) {
++    PyObject *obj = NULL;
++    if (PyWeakref_GetRef(ref, &obj) < 0)
++        return NULL;
++    return obj;
++}
++#define PyWeakref_GetObject compat_PyWeakref_GetObject
++#endif
+ 
+ /* This is how Qt "types" signals and slots. */
+ #define isQtSlot(s)     (*(s) == '1')
diff --git a/sip.spec b/sip.spec
index b8b05a5..c4c77e6 100644
--- a/sip.spec
+++ b/sip.spec
@@ -47,7 +47,7 @@
 Summary: SIP - Python/C++ Bindings Generator
 Name: sip
 Version: 4.19.25
-Release: 18%{?dist}
+Release: 19%{?dist}
 
 # sipgen/parser.{c.h} is GPLv3+ with exceptions (bison)
 # Automatically converted from old format: GPLv2 or GPLv3 and (GPLv3+ with exceptions) - review is highly recommended.
@@ -73,6 +73,8 @@ Patch53: sip-4.19.18-no_hardcode_sip_so.patch
 Patch54: sip-4.19.25-py_ssize_t_clean.patch
 # Fix error: invalid use of undefined type 'struct _frame' 
 Patch55: sip-4.19.25-pyframe_getback.patch
+# Fix error: implicit declaration of function ‘PyWeakref_GetObject’
+Patch56: sip-4.19.25-ftbfs-python-3.15.patch
 
 # extracted from sip.h, SIP_API_MAJOR_NR SIP_API_MINOR_NR defines
 Source1: macros.sip
@@ -227,6 +229,7 @@ This is the Python 3 build of wx-siplib.
 %patch -P53 -p1 -b .no_sip_so
 %patch -P54 -p1 -b .py_ssize_t_clean
 %patch -P55 -p1 -b .pyframe_getback
+%patch -P56 -p1 -b .pyweekref_getobject
 
 
 %build
@@ -481,6 +484,9 @@ popd
 
 
 %changelog
+* Thu Nov 27 2025 Than Ngo <than@redhat.com> - 4.19.25-19
+- Fix rhbz#2414555 - error: implicit declaration of function ‘PyWeakref_GetObject’
+
 * Fri Sep 19 2025 Python Maint <python-maint@redhat.com> - 4.19.25-18
 - Rebuilt for Python 3.14.0rc3 bytecode