diff --git a/devel/py-b2/Makefile b/devel/py-b2/Makefile
index 3b24a0f771ac..a7bf8fbaa999 100644
--- a/devel/py-b2/Makefile
+++ b/devel/py-b2/Makefile
@@ -1,41 +1,41 @@
 PORTNAME=	b2
 DISTVERSIONPREFIX=	v
-DISTVERSION=	4.2.0
+DISTVERSION=	4.3.0
 CATEGORIES=	devel
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	leres@FreeBSD.org
 COMMENT=	Command Line Interface for Backblaze's B2 storage service
 WWW=		https://www.backblaze.com/b2/docs/quick_command_line.html
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pdm-backend>=0:devel/py-pdm-backend@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tabulate==0.9.0:devel/py-tabulate@${PY_FLAVOR}
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}argcomplete>=2:devel/py-argcomplete@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}argcomplete>=3.5.2:devel/py-argcomplete@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}arrow>=1.0.2:devel/py-arrow@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}b2sdk>=2.5.0:devel/py-b2sdk@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}b2sdk>=2.7.0:devel/py-b2sdk@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}docutils>=0.18.1:textproc/py-docutils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}idna>=3.4:dns/py-idna@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}importlib-metadata>=3.4:devel/py-importlib-metadata@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}importlib-metadata>=3.3:devel/py-importlib-metadata@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}phx-class-registry>=4.0:devel/py-phx-class-registry@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}platformdirs>=3.11.0:devel/py-platformdirs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}rst2ansi==0.1.5:textproc/py-rst2ansi@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tabulate==0.9.0:devel/py-tabulate@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tqdm>=4.65.0:misc/py-tqdm@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent optsuffix pep517
 
 CONFLICTS_INSTALL=	boost_build
 
 NO_ARCH=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Backblaze
 GH_PROJECT=	B2_Command_Line_Tool
 
 MAKE_ENV=	PDM_BUILD_SCM_VERSION=${DISTVERSION}
 
 .include <bsd.port.mk>
diff --git a/devel/py-b2/distinfo b/devel/py-b2/distinfo
index dd1efd8b74b7..afac6442b7b7 100644
--- a/devel/py-b2/distinfo
+++ b/devel/py-b2/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1731546986
-SHA256 (Backblaze-B2_Command_Line_Tool-v4.2.0_GH0.tar.gz) = b242101f8484931e49b0e4dcd08a60521ddd100ae10df00eb6bdc35d8c810d8c
-SIZE (Backblaze-B2_Command_Line_Tool-v4.2.0_GH0.tar.gz) = 209209
+TIMESTAMP = 1736273154
+SHA256 (Backblaze-B2_Command_Line_Tool-v4.3.0_GH0.tar.gz) = 8d8e3858c2b338f00c4e663e7ef62150a9483a43e6f31aead1f2c9de1d0079fa
+SIZE (Backblaze-B2_Command_Line_Tool-v4.3.0_GH0.tar.gz) = 214863