diff --git a/devel/py-zarr/Makefile b/devel/py-zarr/Makefile
index c2f354524ca4..20a10d7b58a6 100644
--- a/devel/py-zarr/Makefile
+++ b/devel/py-zarr/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	zarr
-DISTVERSION=	2.18.3
+DISTVERSION=	2.18.4
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Implementation of chunked, compressed, N-dimensional arrays for Python
 WWW=		https://zarr.readthedocs.io/en/stable/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PY_SETUPTOOLS} \
 		${PYTHON_PKGNAMEPREFIX}setuptools-scm>0:devel/py-setuptools-scm@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}asciitree>0:graphics/py-asciitree@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}fasteners>0:devel/py-fasteners@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numcodecs>=0.10.0:misc/py-numcodecs@${PY_FLAVOR} \
 		${PYNUMPY}
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}fsspec>0:filesystems/py-fsspec@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}h5py>0:science/py-h5py@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	pep517 autoplist pytest # 32 tests fail, see https://github.com/zarr-developers/zarr-python/issues/1819#issuecomment-2359908101
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-zarr/distinfo b/devel/py-zarr/distinfo
index 3506925e79c2..26e816e4b201 100644
--- a/devel/py-zarr/distinfo
+++ b/devel/py-zarr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1726716154
-SHA256 (zarr-2.18.3.tar.gz) = 2580d8cb6dd84621771a10d31c4d777dca8a27706a1a89b29f42d2d37e2df5ce
-SIZE (zarr-2.18.3.tar.gz) = 3603224
+TIMESTAMP = 1734080261
+SHA256 (zarr-2.18.4.tar.gz) = 37790ededd0683ae1abe6ff90aa16c22543b3436810060f53d72c15e910c24bb
+SIZE (zarr-2.18.4.tar.gz) = 3603684
diff --git a/devel/py-zarr/files/patch-pyproject.toml b/devel/py-zarr/files/patch-pyproject.toml
index 2237e9a0f1d7..1a3e973ddb61 100644
--- a/devel/py-zarr/files/patch-pyproject.toml
+++ b/devel/py-zarr/files/patch-pyproject.toml
@@ -1,9 +1,9 @@
---- pyproject.toml.orig	2023-08-18 14:28:45 UTC
+--- pyproject.toml.orig	2024-12-12 16:02:37 UTC
 +++ pyproject.toml
 @@ -1,5 +1,5 @@
  [build-system]
--requires = ["setuptools>=64.0.0", "setuptools-scm>1.5.4"]
-+requires = ["setuptools>0", "setuptools-scm>1.5.4"]
+-requires = ["setuptools>=64", "setuptools-scm>8"]
++requires = ["setuptools", "setuptools-scm>8"]
  build-backend = "setuptools.build_meta"