diff --git a/sysutils/zsm/Makefile b/sysutils/zsm/Makefile
index e37f1fa62acd..5b81f04acded 100644
--- a/sysutils/zsm/Makefile
+++ b/sysutils/zsm/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	zsm
-PORTVERSION=	0.2.0
+PORTVERSION=	0.3.0
 CATEGORIES=	sysutils python
 MASTER_SITES=	CHEESESHOP
 
@@ -9,17 +9,18 @@ COMMENT=	ZFS Snapshot Manager
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}click>=6.7:devel/py-click@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pid>=2.2.0:devel/py-pid@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}zsm-lib>=0.2.0:devel/py-zsm-lib@${PY_FLAVOR}
-TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=3.6.4:devel/py-pytest@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}click>=7.1.2:devel/py-click@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pid>=3.0.4:devel/py-pid@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}yaml>=5.4.1:devel/py-yaml@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}marshmallow>=3.13.0:devel/py-marshmallow@${PY_FLAVOR}
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.7+
 USE_PYTHON=	autoplist distutils noflavors
 
 NO_ARCH=	yes
 
 do-test:
-	@(cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} LC_ALL=en_US.UTF-8 ${PYTHON_CMD} -m pytest)
+	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest
 
 .include <bsd.port.mk>
diff --git a/sysutils/zsm/distinfo b/sysutils/zsm/distinfo
index 1006a03d5441..5a6372999d15 100644
--- a/sysutils/zsm/distinfo
+++ b/sysutils/zsm/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1545507449
-SHA256 (zsm-0.2.0.tar.gz) = 098d8ca87f8e92560b2b69ef5aff6835428bd64da599d01493946f311cf15a53
-SIZE (zsm-0.2.0.tar.gz) = 4760
+TIMESTAMP = 1631046880
+SHA256 (zsm-0.3.0.tar.gz) = ad9a7efc8a13483530b095b88cb1eea448f7e3c05af79d0548134a9848cc958c
+SIZE (zsm-0.3.0.tar.gz) = 9583