Index: devel/ipython/Makefile
===================================================================
--- devel/ipython/Makefile	(revision 460133)
+++ devel/ipython/Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	ipython
 PORTVERSION=	5.3.0
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -24,7 +24,7 @@
 		${PYTHON_PKGNAMEPREFIX}traitlets>=4.2:devel/py-traitlets@${FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 USE_GCC=	yes # To be removed - Needed as a work-around for numpy, see PR ports/188114
 NO_ARCH=	yes