diff --git a/srcpkgs/python3-cysignals/patches/216-fix_custom_signal.patch b/srcpkgs/python3-cysignals/patches/216-fix_custom_signal.patch
deleted file mode 100644
index ced6b8732c5..00000000000
--- a/srcpkgs/python3-cysignals/patches/216-fix_custom_signal.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-Taken from https://github.com/sagemath/cysignals/pull/222
-
-diff --git a/pyproject.toml b/pyproject.toml
-index d30ad23..edcb5c8 100644
---- a/pyproject.toml
-+++ b/pyproject.toml
-@@ -34,4 +34,4 @@ requires-python = ">=3.9"
- 
- [tool.pytest.ini_options]
- addopts = "--doctest-modules --import-mode importlib"
--norecursedirs = "builddir docs example"
-+testpaths = "src tests"
-diff --git a/src/cysignals/implementation.c b/src/cysignals/implementation.c
-index 20a83d0..18b8144 100644
---- a/src/cysignals/implementation.c
-+++ b/src/cysignals/implementation.c
-@@ -591,7 +591,7 @@ static void _sig_on_interrupt_received(void)
-     do_raise_exception(cysigs.interrupt_received);
-     cysigs.sig_on_count = 0;
-     cysigs.interrupt_received = 0;
--    custom_signal_unblock();
-+    custom_set_pending_signal(0);
- 
- #if HAVE_SIGPROCMASK
-     sigprocmask(SIG_SETMASK, &oldset, NULL);
-diff --git a/tests/test_custom_signals.py b/tests/test_custom_signals.py
-new file mode 100644
-index 0000000..0afc36f
---- /dev/null
-+++ b/tests/test_custom_signals.py
-@@ -0,0 +1,23 @@
-+"""
-+Tests for custom signals.
-+"""
-+
-+import time
-+import pytest
-+
-+def test_clear_pending():
-+    """
-+    Regression test for https://github.com/sagemath/cysignals/pull/216
-+    """
-+
-+    alarm = pytest.importorskip("cysignals.alarm")  # n/a on windows
-+    cypari2 = pytest.importorskip("cypari2")
-+
-+    with pytest.raises(alarm.AlarmInterrupt):
-+        alarm.alarm(0.01)
-+        time.sleep(1)
-+
-+    try:
-+        cypari2.Pari()
-+    except alarm.AlarmInterrupt:
-+        pytest.fail("AlarmInterrupt was not cleared")
diff --git a/srcpkgs/python3-cysignals/patches/222-fix_data_race.patch b/srcpkgs/python3-cysignals/patches/222-fix_data_race.patch
deleted file mode 100644
index c9fdf3885f5..00000000000
--- a/srcpkgs/python3-cysignals/patches/222-fix_data_race.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-Taken from https://github.com/sagemath/cysignals/pull/222
-
-diff --git a/src/cysignals/signals.pyx b/src/cysignals/signals.pyx
-index 72f206e..96a99ad 100644
---- a/src/cysignals/signals.pyx
-+++ b/src/cysignals/signals.pyx
-@@ -25,7 +25,7 @@ See ``tests.pyx`` for extensive tests.
- 
- from libc.signal cimport *
- from libc.stdio cimport freopen, stdin
--from cpython.ref cimport Py_XINCREF, Py_XDECREF
-+from cpython.ref cimport Py_XINCREF, Py_CLEAR
- from cpython.exc cimport (PyErr_Occurred, PyErr_NormalizeException,
-         PyErr_Fetch, PyErr_Restore)
- from cpython.version cimport PY_MAJOR_VERSION
-@@ -204,7 +204,7 @@ cdef int sig_raise_exception "sig_raise_exception"(int sig, const char* msg) exc
-     PyErr_Fetch(&typ, &val, &tb)
-     PyErr_NormalizeException(&typ, &val, &tb)
-     Py_XINCREF(val)
--    Py_XDECREF(cysigs.exc_value)
-+    Py_CLEAR(cysigs.exc_value)
-     cysigs.exc_value = val
-     PyErr_Restore(typ, val, tb)
- 
-@@ -362,8 +362,7 @@ cdef void verify_exc_value() noexcept:
-     """
-     if cysigs.exc_value.ob_refcnt == 1:
-         # No other references => exception is certainly gone
--        Py_XDECREF(cysigs.exc_value)
--        cysigs.exc_value = NULL
-+        Py_CLEAR(cysigs.exc_value)
-         return
- 
-     if PyErr_Occurred() is not NULL:
-@@ -394,8 +393,7 @@ cdef void verify_exc_value() noexcept:
-         pass
-     else:
-         if <PyObject*>handled is cysigs.exc_value:
--            Py_XDECREF(cysigs.exc_value)
--            cysigs.exc_value = NULL
-+            Py_CLEAR(cysigs.exc_value)
-             return
- 
-     # To be safe, we run the garbage collector because it may clear
-@@ -411,5 +409,4 @@ cdef void verify_exc_value() noexcept:
-     # called again during garbage collection it might have already been set
-     # to NULL; see https://github.com/sagemath/cysignals/issues/126
-     if cysigs.exc_value != NULL and cysigs.exc_value.ob_refcnt == 1:
--        Py_XDECREF(cysigs.exc_value)
--        cysigs.exc_value = NULL
-+        Py_CLEAR(cysigs.exc_value)
diff --git a/srcpkgs/python3-cysignals/template b/srcpkgs/python3-cysignals/template
index b2bb2034280..e2216146e4c 100644
--- a/srcpkgs/python3-cysignals/template
+++ b/srcpkgs/python3-cysignals/template
@@ -1,6 +1,6 @@
 # Template file for 'python3-cysignals'
 pkgname=python3-cysignals
-version=1.12.2
+version=1.12.3
 revision=1
 build_style=python3-pep517
 build_helper=meson
@@ -14,7 +14,7 @@ license="LGPL-3.0-or-later"
 homepage="https://github.com/sagemath/cysignals"
 changelog="https://github.com/sagemath/cysignals/releases"
 distfiles="${PYPI_SITE}/c/cysignals/cysignals-${version}.tar.gz"
-checksum=407db178fb18a91118ca742ede62000b2bee62b617eb49d26fcdad7e9ba2771a
+checksum=89f7626dbf29db5ab3d6eff15a89978f4eb5193c320e9099bcc157dacdefd1eb
 
 # cysignals must be compiled without _FORTIFY_SOURCE
 CFLAGS="-U_FORTIFY_SOURCE"