diff --git a/textproc/py-pyx12/Makefile b/textproc/py-pyx12/Makefile
index 68201e3e794b..56ab243a0637 100644
--- a/textproc/py-pyx12/Makefile
+++ b/textproc/py-pyx12/Makefile
@@ -1,19 +1,22 @@
 PORTNAME=	pyx12
-PORTVERSION=	2.3.3
-PORTREVISION=	1
+DISTVERSION=	3.1.0
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Validate and convert HIPAA X12 documents
 WWW=		https://github.com/azoner/pyx12
 
 LICENSE=	BSD3CLAUSE
 
-NO_ARCH=	yes
+BUILD_DEPENDS=	${PY_SETUPTOOLS} \
+		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}defusedxml>=0.7:devel/py-defusedxml@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	autoplist pep517 pytest
+
+NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/py-pyx12/distinfo b/textproc/py-pyx12/distinfo
index c6b72c367b11..38a99dfb6cbd 100644
--- a/textproc/py-pyx12/distinfo
+++ b/textproc/py-pyx12/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1506002313
-SHA256 (pyx12-2.3.3.tar.gz) = 89f40686dd5da12d448b8bd9712af4675b7c3524187cb44a5125bab281b812ef
-SIZE (pyx12-2.3.3.tar.gz) = 524588
+TIMESTAMP = 1779054229
+SHA256 (pyx12-3.1.0.tar.gz) = 9a43cd783c2eb0cf5b96f20fb51226281c096f1847eb8c02528bb0255f3e2175
+SIZE (pyx12-3.1.0.tar.gz) = 528987