diff --git a/misc/py-pymatreader/Makefile b/misc/py-pymatreader/Makefile
index 0dada4cb6d4c..903b3a58f94a 100644
--- a/misc/py-pymatreader/Makefile
+++ b/misc/py-pymatreader/Makefile
@@ -1,29 +1,30 @@
 PORTNAME=	pymatreader
-DISTVERSION=	1.0.0
-PORTREVISION=	2
+DISTVERSION=	1.2.3
 CATEGORIES=	misc
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Convenient reader for Matlab mat files
 WWW=		https://gitlab.com/obob/pymatreader
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatch-regex-commit>0:devel/py-hatch-regex-commit@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}hatchling>0:devel/py-hatchling@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}h5py>0:science/py-h5py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpy>=1.16:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.7.0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}xmltodict>=0:devel/py-xmltodict@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	pep517 autoplist pytest # tests fail to run, see https://gitlab.com/obob/pymatreader/-/issues/20
+USE_PYTHON=	pep517 autoplist pytest
 
 NO_ARCH=	yes
 
-# tests as of 1.0.0: 25 passed, 629 warnings in 136.24s (0:02:16
+TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+
+# tests as of 1.2.3: 37 passed, 632 warnings in 11.14s
 
 .include <bsd.port.mk>
diff --git a/misc/py-pymatreader/distinfo b/misc/py-pymatreader/distinfo
index 9be11a5d3ac3..91fa7be3f522 100644
--- a/misc/py-pymatreader/distinfo
+++ b/misc/py-pymatreader/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1744497788
-SHA256 (pymatreader-1.0.0.tar.gz) = 1bcf0dee93c567701351d83e46b91bf17ea175ac44f3f435fb08e2cfdfbd8534
-SIZE (pymatreader-1.0.0.tar.gz) = 37069234
+TIMESTAMP = 1785730665
+SHA256 (pymatreader-1.2.3.tar.gz) = c64cf87b534a6a44389da061dc7af702dec38ef0423c325fc4208d4c81570baa
+SIZE (pymatreader-1.2.3.tar.gz) = 37111181