diff --git a/srcpkgs/python3-cypari2/patches/pari-2.15.patch b/srcpkgs/python3-cypari2/patches/pari-2.15.patch
new file mode 100644
index 00000000000..d7fef450b4c
--- /dev/null
+++ b/srcpkgs/python3-cypari2/patches/pari-2.15.patch
@@ -0,0 +1,47 @@
+See: 
+ - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1020456#10
+ - https://github.com/sagemath/cypari2/issues/122
+ - https://github.com/sagemath/cypari2/pull/123
+
+diff --git a/cypari2/closure.pyx b/cypari2/closure.pyx
+index 9848b51..ca87403 100644
+--- a/cypari2/closure.pyx
++++ b/cypari2/closure.pyx
+@@ -208,7 +208,7 @@ cpdef Gen objtoclosure(f):
+     >>> mul([1], [2])
+     Traceback (most recent call last):
+     ...
+-    PariError: call_python: forbidden multiplication t_VEC (1 elts) * t_VEC (1 elts)
++    PariError: call_python: incorrect type in qfbcomp (t_VEC)
+     """
+     if not callable(f):
+         raise TypeError("argument to objtoclosure() must be callable")
+diff --git a/cypari2/handle_error.pyx b/cypari2/handle_error.pyx
+index 1222889..ba93ad1 100644
+--- a/cypari2/handle_error.pyx
++++ b/cypari2/handle_error.pyx
+@@ -123,7 +123,7 @@ class PariError(RuntimeError):
+         >>> pari('!@#$%^&*()')
+         Traceback (most recent call last):
+         ...
+-        PariError: syntax error, unexpected $undefined
++        PariError: syntax error, unexpected invalid token
+         """
+         return self.errtext().rstrip(" .:")
+ 
+diff --git a/cypari2/pari_instance.pyx b/cypari2/pari_instance.pyx
+index 4291188..172fce5 100644
+--- a/cypari2/pari_instance.pyx
++++ b/cypari2/pari_instance.pyx
+@@ -1325,9 +1325,9 @@ cdef class Pari(Pari_auto):
+         >>> pari = cypari2.Pari()
+         >>> x = pari('x')
+         >>> pari.genus2red([-5*x**5, x**3 - 2*x**2 - 2*x + 1])
+-        [1416875, [2, -1; 5, 4; 2267, 1], x^6 - 240*x^4 - 2550*x^3 - 11400*x^2 - 24100*x - 19855, [[2, [2, [Mod(1, 2)]], []], [5, [1, []], ["[V] page 156", [3]]], [2267, [2, [Mod(432, 2267)]], ["[I{1-0-0}] page 170", []]]]]
++        [1416875, [2, -1; 5, 4; 2267, 1], [-6*x^5 + 2*x^3 - x, x^3 + 1], [[2, [2, [Mod(1, 2)]], []], [5, [1, []], ["[V] page 156", [3]]], [2267, [2, [Mod(432, 2267)]], ["[I{1-0-0}] page 170", []]]]]
+         >>> pari.genus2red([-5*x**5, x**3 - 2*x**2 - 2*x + 1],2267)
+-        [2267, Mat([2267, 1]), x^6 - 24*x^5 + 10*x^3 - 4*x + 1, [2267, [2, [Mod(432, 2267)]], ["[I{1-0-0}] page 170", []]]]
++        [2267, Mat([2267, 1]), [-6*x^5 + 2*x^3 - x, x^3 + 1], [2267, [2, [Mod(432, 2267)]], ["[I{1-0-0}] page 170", []]]]
+         """
+         cdef Gen t0 = objtogen(P)
+         if p is None:
diff --git a/srcpkgs/python3-cypari2/patches/python-3.11.patch b/srcpkgs/python3-cypari2/patches/python-3.11.patch
deleted file mode 100644
index 02f4f9fb8ca..00000000000
--- a/srcpkgs/python3-cypari2/patches/python-3.11.patch
+++ /dev/null
@@ -1,28 +0,0 @@
---- a/cypari2/convert.pyx
-+++ b/cypari2/convert.pyx
-@@ -59,8 +59,7 @@ cdef extern from *:
-     ctypedef struct PyLongObject:
-         digit* ob_digit
- 
--    Py_ssize_t* Py_SIZE_PTR "&Py_SIZE"(object)
--
-+    void __Pyx_SET_SIZE(object, Py_ssize_t)
- 
- ########################################################################
- # Conversion PARI -> Python
-@@ -450,13 +449,10 @@ cdef PyLong_FromINT(GEN g):
-         if d:
-             sizedigits_final = i+1
- 
--    # Set correct size (use a pointer to hack around Cython's
--    # non-support for lvalues).
--    cdef Py_ssize_t* sizeptr = Py_SIZE_PTR(x)
-     if signe(g) > 0:
--        sizeptr[0] = sizedigits_final
-+        __Pyx_SET_SIZE(x, sizedigits_final);
-     else:
--        sizeptr[0] = -sizedigits_final
-+        __Pyx_SET_SIZE(x, -sizedigits_final);
- 
-     return x
- 
diff --git a/srcpkgs/python3-cypari2/template b/srcpkgs/python3-cypari2/template
index 9ded61101e8..eacc14a9e8d 100644
--- a/srcpkgs/python3-cypari2/template
+++ b/srcpkgs/python3-cypari2/template
@@ -1,8 +1,10 @@
 # Template file for 'python3-cypari2'
 pkgname=python3-cypari2
-version=2.1.2
+version=2.1.3
 revision=1
-wrksrc=cypari2-${version}
+# This is precisely release 2.1.3 (Oct 3); but it's not tagged yet
+_githash=34198a78e86ba6ba684b25ae5ebb3e1a4e54c19f
+wrksrc=cypari2-${_githash}
 build_style=python3-module
 hostmakedepends="python3-setuptools python3-Cython pari perl"
 makedepends="python3-devel python3-cysignals pari-devel gmp-devel"
@@ -10,12 +12,10 @@ short_desc="Python interface to the number theory library PARI/GP"
 maintainer="Gonzalo Tornaría <tornaria@cmat.edu.uy>"
 license="GPL-2.0-or-later"
 homepage="https://github.com/sagemath/cypari2"
-distfiles="${PYPI_SITE}/c/cypari2/cypari2-${version}.tar.gz"
-checksum=03cd45edab8716ebbfdb754e65fea72e873c73dc91aec098fe4a01e35324ac7a
+distfiles=https://github.com/sagemath/cypari2/archive/$_githash.tar.gz
+checksum=16bcc5da48a05e3d56a1466e9ed0c2ec91d48fe875bf1adda237bb7690d3f7c3
 
-post_extract() {
-	local _f
-	for _f in cypari2/*.pyx; do
-		rm -f ${_f%.pyx}.c
-	done
+do_check() {
+	PYTHONPATH="$(cd build/lib* && pwd)" \
+		make check
 }