diff --git a/science/py-quantities/Makefile b/science/py-quantities/Makefile
index dddaaa22df9e..da4732974edb 100644
--- a/science/py-quantities/Makefile
+++ b/science/py-quantities/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	quantities
-DISTVERSION=	0.16.2
+DISTVERSION=	0.16.4
 CATEGORIES=	science python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Support for physical quantities with units, based on numpy
 WWW=		https://github.com/python-quantities/python-quantities
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		python
 USE_PYTHON=	distutils autoplist pytest # tests fail to run, see https://github.com/python-quantities/python-quantities/issues/224
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 TEST_WRKSRC=	${WRKSRC}/quantities/tests
 
 NO_ARCH=	yes
 
-# tests as of 0.16.2: 175 passed, 3 xfailed in 30.81s
+# tests as of 0.16.4: 179 passed, 3 xfailed in 3.23s
 
 .include <bsd.port.mk>
diff --git a/science/py-quantities/distinfo b/science/py-quantities/distinfo
index eb191c3bbb35..10e30c8b0676 100644
--- a/science/py-quantities/distinfo
+++ b/science/py-quantities/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1753137018
-SHA256 (quantities-0.16.2.tar.gz) = 1f7c24f10d9ff57ddf751a358ea2fdfa9914516722f06a788ef4a2924c77d21c
-SIZE (quantities-0.16.2.tar.gz) = 101862
+TIMESTAMP = 1768635573
+SHA256 (quantities-0.16.4.tar.gz) = f5b6deb74f6ed814ec56b204dcf7b5d3c526456157de48e5a78681064f98bf36
+SIZE (quantities-0.16.4.tar.gz) = 100726
diff --git a/science/py-quantities/files/patch-pyproject.toml b/science/py-quantities/files/patch-pyproject.toml
new file mode 100644
index 000000000000..f7916bb04d7b
--- /dev/null
+++ b/science/py-quantities/files/patch-pyproject.toml
@@ -0,0 +1,10 @@
+--- pyproject.toml.orig	2026-01-17 07:40:21 UTC
++++ pyproject.toml
+@@ -3,7 +3,6 @@ requires-python = ">=3.10"
+ description = "Support for physical quantities with units, based on numpy"
+ readme = "README.rst"
+ requires-python = ">=3.10"
+-license-files = ["doc/user/license.rst"]
+ authors = [
+   {name = "Darren Dale", email = "dsdale24@gmail.com"}
+ ]