Index: head/devel/py-ipykernel/Makefile
===================================================================
--- head/devel/py-ipykernel/Makefile	(revision 437815)
+++ head/devel/py-ipykernel/Makefile	(revision 437816)
@@ -1,24 +1,25 @@
 # $FreeBSD$
 
 PORTNAME=	ipykernel
-PORTVERSION=	4.5.2
+PORTVERSION=	4.6.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	IPython Kernel for Jupyter
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING.md
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ipython>=4.0.0:devel/ipython \
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ipython>=4.0.0:devel/ipython \
 		${PYTHON_PKGNAMEPREFIX}jupyter_client>=0:devel/py-jupyter_client \
 		${PYTHON_PKGNAMEPREFIX}tornado>=4.0:www/py-tornado \
 		${PYTHON_PKGNAMEPREFIX}traitlets>=4.1.0:devel/py-traitlets
+RUN_DEPENDS:=	${BUILD_DEPENDS}
 
-USES=		python
-USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
+USES=		python
+USE_PYTHON=	autoplist concurrent distutils
 
 .include <bsd.port.mk>
Index: head/devel/py-ipykernel/distinfo
===================================================================
--- head/devel/py-ipykernel/distinfo	(revision 437815)
+++ head/devel/py-ipykernel/distinfo	(revision 437816)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1483905267
-SHA256 (ipykernel-4.5.2.tar.gz) = 5a54f25f0e6c8ee74c362c23f9a95e10e74c6b7f5ef42059c861ff6f26d89462
-SIZE (ipykernel-4.5.2.tar.gz) = 88282
+TIMESTAMP = 1491396549
+SHA256 (ipykernel-4.6.0.tar.gz) = 4818512012e86dfe862f2a27840224fc4b87568563487bba7ce561507a4a9bfa
+SIZE (ipykernel-4.6.0.tar.gz) = 90243