diff --git a/science/py-mmtf-python/Makefile b/science/py-mmtf-python/Makefile
index a88b8fe23301..6bff6c6cf5ff 100644
--- a/science/py-mmtf-python/Makefile
+++ b/science/py-mmtf-python/Makefile
@@ -1,28 +1,31 @@
 PORTNAME=	mmtf-python
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.1.2
+DISTVERSION=	1.1.3
 CATEGORIES=	science python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	MMTF (Macromolecular Transmission Format) Python API
 WWW=		https://github.com/rcsb/mmtf-python
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}msgpack>0:devel/py-msgpack@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}msgpack>=1.0.0:devel/py-msgpack@${PY_FLAVOR} \
+		${PYNUMPY}
 
 USES=		python:3.6+
+USE_PYTHON=	distutils autoplist
+
 USE_GITHUB=	yes
 GH_ACCOUNT=	rcsb
-USE_PYTHON=	distutils autoplist
+
 NO_ARCH=	yes
 
 post-build:
 	@${RM} ${STAGEDIR}${PREFIX}/bin/sample
 
 post-plist:
 	@${REINPLACE_CMD} -e '|bin/sample|d' ${TMPPLIST}
 
 .include <bsd.port.mk>
diff --git a/science/py-mmtf-python/distinfo b/science/py-mmtf-python/distinfo
index 8bccc243e19b..83a6149db3ad 100644
--- a/science/py-mmtf-python/distinfo
+++ b/science/py-mmtf-python/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1527007694
-SHA256 (rcsb-mmtf-python-v1.1.2_GH0.tar.gz) = 289b1b46331d2011f5629bf3f0a7dbbf87ad24af301417edeb8c309cc86768d2
-SIZE (rcsb-mmtf-python-v1.1.2_GH0.tar.gz) = 46678
+TIMESTAMP = 1664507977
+SHA256 (rcsb-mmtf-python-v1.1.3_GH0.tar.gz) = 777bcfe4c2dfc4810b78ff312d09d17dc0ed1bcc138cb7403e63e0a57285c6c9
+SIZE (rcsb-mmtf-python-v1.1.3_GH0.tar.gz) = 46709