diff --git a/devel/py-pbs-installer/Makefile b/devel/py-pbs-installer/Makefile
index 113e562d1db1..03e344bfe8fe 100644
--- a/devel/py-pbs-installer/Makefile
+++ b/devel/py-pbs-installer/Makefile
@@ -1,31 +1,31 @@
 PORTNAME=	pbs-installer
-PORTVERSION=	2026.4.7
+PORTVERSION=	2026.5.4
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	pbs_installer-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Installer for Python Build Standalone
 WWW=		https://pbs-installer.readthedocs.io/en/latest/ \
 		https://github.com/frostming/pbs-installer
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pdm-backend>=0:devel/py-pdm-backend@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 OPTIONS_DEFINE=	DOWNLOAD INSTALL
 OPTIONS_DEFAULT=DOWNLOAD INSTALL
 DOWNLOAD_DESC=	Download support
 INSTALL_DESC=	Install support
 
 DOWNLOAD_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}httpx>=0.27.0<1:www/py-httpx@${PY_FLAVOR}
-INSTALL_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}zstandard>=0.21.0:archivers/py-zstandard@${PY_FLAVOR}
+INSTALL_RUN_DEPENDS=	${PY_BACKPORTS.ZSTD}
 
 .include <bsd.port.mk>
diff --git a/devel/py-pbs-installer/distinfo b/devel/py-pbs-installer/distinfo
index 39159a7ce8cd..0c591b69151b 100644
--- a/devel/py-pbs-installer/distinfo
+++ b/devel/py-pbs-installer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1777252654
-SHA256 (pbs_installer-2026.4.7.tar.gz) = 0c0a7d44f125bac96de094b8208c76b891ee859c71accce1c0e9ec4d83828de8
-SIZE (pbs_installer-2026.4.7.tar.gz) = 71866
+TIMESTAMP = 1778096622
+SHA256 (pbs_installer-2026.5.4.tar.gz) = e32323dc299f8d6b485bb622ff2348e45a04691263fec5d6f617c8109fc290f7
+SIZE (pbs_installer-2026.5.4.tar.gz) = 71861