diff --git a/devel/py-pdm-backend/Makefile b/devel/py-pdm-backend/Makefile
index 4416c673a9f9..a25af83b2f92 100644
--- a/devel/py-pdm-backend/Makefile
+++ b/devel/py-pdm-backend/Makefile
@@ -1,29 +1,21 @@
 PORTNAME=	pdm-backend
-PORTVERSION=	2.4.5
+PORTVERSION=	2.4.6
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	pdm_backend-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Build backend used by PDM that supports latest packaging standards
 WWW=		https://backend.pdm-project.org/ \
 		https://github.com/pdm-project/pdm-backend
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
-MAKE_ENV=	PYTHONPATH=${WRKSRC}/src
 NO_ARCH=	yes
 
-.include <bsd.port.pre.mk>
-
-.if ${PYTHON_REL} < 31000
-BUILD_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=3.6:devel/py-importlib-metadata@${PY_FLAVOR}
-RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=3.6:devel/py-importlib-metadata@${PY_FLAVOR}
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>
diff --git a/devel/py-pdm-backend/distinfo b/devel/py-pdm-backend/distinfo
index 3faebaf9b6dd..df17d644d0b4 100644
--- a/devel/py-pdm-backend/distinfo
+++ b/devel/py-pdm-backend/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1752266116
-SHA256 (pdm_backend-2.4.5.tar.gz) = 56c019c440308adad5d057c08cbb777e65f43b991a3b0920749781258972fe5b
-SIZE (pdm_backend-2.4.5.tar.gz) = 118609
+TIMESTAMP = 1763853356
+SHA256 (pdm_backend-2.4.6.tar.gz) = 5dd9cd581a4f18d57ff506a5b3aad7c8df31e5949b6fd854bbc34c38107e4532
+SIZE (pdm_backend-2.4.6.tar.gz) = 118795