Index: head/science/py-chainer/Makefile
===================================================================
--- head/science/py-chainer/Makefile	(revision 513856)
+++ head/science/py-chainer/Makefile	(revision 513857)
@@ -1,26 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	chainer
-DISTVERSION=	6.3.0
+DISTVERSION=	6.4.0
 CATEGORIES=	science
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Deep learning framework
 
 LICENSE=	MIT
 
 LIB_DEPENDS=	libprotobuf.so:devel/protobuf
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}filelock>0:sysutils/py-filelock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.9.0:devel/py-six@${PY_FLAVOR} \
 		${PY_TYPING} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>0:devel/py-typing-extensions@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/science/py-chainer/distinfo
===================================================================
--- head/science/py-chainer/distinfo	(revision 513856)
+++ head/science/py-chainer/distinfo	(revision 513857)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1566760310
-SHA256 (chainer-6.3.0.tar.gz) = aef20f87edc2074474bcee119a42075655e7ba96bb311c0873e11de286a26c8b
-SIZE (chainer-6.3.0.tar.gz) = 874606
+TIMESTAMP = 1570316297
+SHA256 (chainer-6.4.0.tar.gz) = dacbcaa361cebdfbf6f212d138570333611b8f5de553093b1752c578b022a774
+SIZE (chainer-6.4.0.tar.gz) = 876720