Index: head/science/py-gsd/Makefile
===================================================================
--- head/science/py-gsd/Makefile	(revision 478322)
+++ head/science/py-gsd/Makefile	(revision 478323)
@@ -1,21 +1,22 @@
 # $FreeBSD$
 
 PORTNAME=	gsd
-DISTVERSION=	1.5.2
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.5.3
 CATEGORIES=	science python
-MASTER_SITES=	CHEESESHOP
+MASTER_SITES=	http://glotzerlab.engin.umich.edu/Downloads/gsd/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	GSD (General Simulation Data) file format for Python
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYNUMPY}
 BUILD_DEPENDS=	${PYNUMPY}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
Index: head/science/py-gsd/distinfo
===================================================================
--- head/science/py-gsd/distinfo	(revision 478322)
+++ head/science/py-gsd/distinfo	(revision 478323)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1526243034
-SHA256 (gsd-1.5.2.tar.gz) = 0ce73a9bc7b79968a2b96cc2b0934e2cbe11700adbd02b4b492fea1e3d4d51f4
-SIZE (gsd-1.5.2.tar.gz) = 198774
+TIMESTAMP = 1535467244
+SHA256 (gsd-v1.5.3.tar.gz) = 10b6d37b2dadb9dc3543f4975e3722da3f3fd790df44e887b2a0306c045cf76d
+SIZE (gsd-v1.5.3.tar.gz) = 240114