diff --git a/archivers/py-zstd/Makefile b/archivers/py-zstd/Makefile
index 7c7f89f8a79b..7da9b3f195aa 100644
--- a/archivers/py-zstd/Makefile
+++ b/archivers/py-zstd/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	zstd
-DISTVERSION=	1.5.2.6
+DISTVERSION=	1.5.5.1
 CATEGORIES=	archivers python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python binding for Zstandard compression library
 WWW=		https://github.com/sergey-dryabzhinsky/python-zstd
 
 LICENSE=	BSD2CLAUSE
 
 LIB_DEPENDS=	libzstd.so:archivers/zstd
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 
 USES=		python localbase
 USE_PYTHON=	distutils autoplist
 
 PYDISTUTILS_BUILDARGS=	--external
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/zstd*.so
 
 do-test: install
 	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest
 
 .include <bsd.port.mk>
diff --git a/archivers/py-zstd/distinfo b/archivers/py-zstd/distinfo
index 398834798477..de8cd505c2ac 100644
--- a/archivers/py-zstd/distinfo
+++ b/archivers/py-zstd/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1663478758
-SHA256 (zstd-1.5.2.6.tar.gz) = f440858d198890e5ff517dff32d15e8c31bb73506a896f9baf6d014efe62f7fc
-SIZE (zstd-1.5.2.6.tar.gz) = 606528
+TIMESTAMP = 1734312988
+SHA256 (zstd-1.5.5.1.tar.gz) = 1ef980abf0e1e072b028d2d76ef95b476632651c96225cf30b619c6eef625672
+SIZE (zstd-1.5.5.1.tar.gz) = 1106585