diff --git a/audio/py-soxr/Makefile b/audio/py-soxr/Makefile
index 234c50319aaf..6da19fc95276 100644
--- a/audio/py-soxr/Makefile
+++ b/audio/py-soxr/Makefile
@@ -1,33 +1,34 @@
 PORTNAME=	soxr
-DISTVERSION=	0.3.7
+DISTVERSION=	0.4.0
 CATEGORIES=	audio python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	High quality, one-dimensional sample-rate conversion library
 WWW=		https://github.com/dofuuz/python-soxr
 
 LICENSE=	LGPL21 BSD3CLAUSE
 LICENSE_COMB=	multi
 
 BROKEN_i386=	fails to compile: ...requires target feature 'sse', but would be inlined into function 'h8' that is compiled without support for 'sse'
 
 BUILD_DEPENDS=	${PY_SETUPTOOLS} \
+		${PYTHON_PKGNAMEPREFIX}cython3>0:lang/cython3@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools-scm>0:devel/py-setuptools-scm@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		python
-USE_PYTHON=	pep517 cython autoplist pytest
+USE_PYTHON=	pep517 autoplist pytest
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 post-install:
 	# strip binary
 	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/soxr/cysoxr${PYTHON_EXT_SUFFIX}.so
 	# correct version as a workaround for https://github.com/dofuuz/python-soxr/issues/21
 	@${REINPLACE_CMD} -i '' -e 's|^version |__version__ |' ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/soxr/_version.py
 
 .include <bsd.port.mk>
diff --git a/audio/py-soxr/distinfo b/audio/py-soxr/distinfo
index 68af8d2757df..447956378981 100644
--- a/audio/py-soxr/distinfo
+++ b/audio/py-soxr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1704347538
-SHA256 (soxr-0.3.7.tar.gz) = 436ddff00c6eb2c75b79c19cfdca7527b1e31b5fad738652f044045ba6258593
-SIZE (soxr-0.3.7.tar.gz) = 296432
+TIMESTAMP = 1721972280
+SHA256 (soxr-0.4.0.tar.gz) = 02385e3de07e28ddbc19ab41216075d889575895e778ce2ada950d5f46cf6a52
+SIZE (soxr-0.4.0.tar.gz) = 300434
diff --git a/audio/py-soxr/files/patch-pyproject.toml b/audio/py-soxr/files/patch-pyproject.toml
index 95bdf298019f..ac0da150892d 100644
--- a/audio/py-soxr/files/patch-pyproject.toml
+++ b/audio/py-soxr/files/patch-pyproject.toml
@@ -1,14 +1,18 @@
---- pyproject.toml.orig	2023-08-15 13:45:59 UTC
+--- pyproject.toml.orig	2024-07-25 13:58:38 UTC
 +++ pyproject.toml
-@@ -2,9 +2,9 @@
+@@ -2,13 +2,13 @@ requires = [
  requires = [
      "setuptools>=42",
      "wheel",
 -    "Cython>=3.0a7",
 +    "Cython",
      "setuptools_scm[toml]>=6.2",
--    "oldest-supported-numpy"
+     # Note for packagers: this constraint is specific to wheels
+     # for PyPI; it is also supported to build against 1.xx still.
+     # If you do so, please ensure to include a `numpy<2.0`
+     # runtime requirement for those binary packages.
+-    "numpy>=2.0.0rc1"
 +    "numpy"
  ]
  build-backend = "setuptools.build_meta"