diff --git a/archivers/py-zstandard/Makefile b/archivers/py-zstandard/Makefile
index dcebe633c2e5..4fd9a95ba159 100644
--- a/archivers/py-zstandard/Makefile
+++ b/archivers/py-zstandard/Makefile
@@ -1,28 +1,29 @@
 PORTNAME=	zstandard
-DISTVERSION=	0.20.0
+DISTVERSION=	0.21.0
 CATEGORIES=	archivers python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Zstandard bindings for Python, a full-featured version
 WWW=		https://github.com/indygreg/python-zstandard
 
 LICENSE=	BSD2CLAUSE
 
 BROKEN_FreeBSD_12_powerpc64=	fails to build: cffi.error.CDefError: parse error
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>=1.8.0:devel/py-cffi@${PY_FLAVOR}
 LIB_DEPENDS=	libzstd.so:archivers/zstd
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hypothesis>0:devel/py-hypothesis@${PY_FLAVOR}
 
-USES=		localbase python:3.6+
+USES=		localbase python:3.7+
 USE_PYTHON=	distutils autoplist
 #PYDISTUTILS_BUILDARGS=	--system-zstd # breaks in runtime due to version mismatch, keep disabled until this is fixed: https://github.com/indygreg/python-zstandard/issues/132
 
 post-install:
 	@cd ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/zstandard && ${STRIP_CMD} backend_c*.so _cffi*.so
 
 do-test: # runs the internal testsuite, tests are unreliable or faulty: https://github.com/indygreg/python-zstandard/issues/133
 	@cd ${INSTALL_WRKSRC} && ${SETENV} ${MAKE_ENV} ${PYTHON_CMD} ${PYDISTUTILS_SETUP} ${PYDISTUTILS_BUILDARGS} test
 
 .include <bsd.port.mk>
diff --git a/archivers/py-zstandard/distinfo b/archivers/py-zstandard/distinfo
index 1af3c1451c1d..d114cb80e1ff 100644
--- a/archivers/py-zstandard/distinfo
+++ b/archivers/py-zstandard/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1677663001
-SHA256 (zstandard-0.20.0.tar.gz) = 613daadd72c71b1488742cafb2c3b381c39d0c9bb8c6cc157aa2d5ea45cc2efc
-SIZE (zstandard-0.20.0.tar.gz) = 658909
+TIMESTAMP = 1681789212
+SHA256 (zstandard-0.21.0.tar.gz) = f08e3a10d01a247877e4cb61a82a319ea746c356a3786558bed2481e6c405546
+SIZE (zstandard-0.21.0.tar.gz) = 659790