diff --git a/textproc/py-latex2mathml/Makefile b/textproc/py-latex2mathml/Makefile
index 99902da4ba9d..353a4d40c024 100644
--- a/textproc/py-latex2mathml/Makefile
+++ b/textproc/py-latex2mathml/Makefile
@@ -1,21 +1,20 @@
 PORTNAME=	latex2mathml
-PORTVERSION=	3.79.0
+PORTVERSION=	3.81.0
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Pure Python library for LaTeX to MathML conversion
 WWW=		https://github.com/roniemartinez/latex2mathml
 
 LICENSE=	MIT
-LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatchling>=0:devel/py-hatchling@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/py-latex2mathml/distinfo b/textproc/py-latex2mathml/distinfo
index 8938a3774133..dd802d815aae 100644
--- a/textproc/py-latex2mathml/distinfo
+++ b/textproc/py-latex2mathml/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587606
-SHA256 (latex2mathml-3.79.0.tar.gz) = 11bde318c2d2d6fcdd105a07509d867cee2208f653278eb80243dec7ea77a0ce
-SIZE (latex2mathml-3.79.0.tar.gz) = 151103
+TIMESTAMP = 1777252800
+SHA256 (latex2mathml-3.81.0.tar.gz) = 4b959cdc3cac8686bc0e3e5aece8127dfb1b81ca1241bed8e00ef31b82bb4022
+SIZE (latex2mathml-3.81.0.tar.gz) = 77584
diff --git a/textproc/py-latex2mathml/files/patch-pyproject.toml b/textproc/py-latex2mathml/files/patch-pyproject.toml
new file mode 100644
index 000000000000..10d1c41c487f
--- /dev/null
+++ b/textproc/py-latex2mathml/files/patch-pyproject.toml
@@ -0,0 +1,15 @@
+--- pyproject.toml.orig	1970-01-01 00:00:00 UTC
++++ pyproject.toml
+@@ -74,8 +74,8 @@ addopts = """\
+ """
+ 
+ [build-system]
+-requires = ["uv_build>=0.10.11,<0.11.0"]
+-build-backend = "uv_build"
++requires = ["hatchling"]
++build-backend = "hatchling.build"
+ 
+-[tool.uv.build-backend]
+-module-root = ""
++[tool.hatch.build.targets.wheel]
++packages = ["latex2mathml"]