Index: head/devel/py-jupyterlab/Makefile
===================================================================
--- head/devel/py-jupyterlab/Makefile	(revision 536500)
+++ head/devel/py-jupyterlab/Makefile	(revision 536501)
@@ -1,27 +1,26 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	jupyterlab
-PORTVERSION=	2.1.2
-PORTREVISION=	1
+PORTVERSION=	2.1.3
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	JupyterLab notebook server extension
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}Jinja2>=2.10:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyterlab-server>=1.1.0<2.0:devel/py-jupyterlab-server@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}notebook>=4.3.1:www/py-notebook@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tornado>=0:www/py-tornado@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/devel/py-jupyterlab/distinfo
===================================================================
--- head/devel/py-jupyterlab/distinfo	(revision 536500)
+++ head/devel/py-jupyterlab/distinfo	(revision 536501)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1588695585
-SHA256 (jupyterlab-2.1.2.tar.gz) = 380c29d674f6dcf8e380615334c7813bb4feb7bbb6222baf1d4c9f8318f4b104
-SIZE (jupyterlab-2.1.2.tar.gz) = 8552659
+TIMESTAMP = 1590421098
+SHA256 (jupyterlab-2.1.3.tar.gz) = a4ec7f5814407d0f0885a2a9725a13abe411a6f9a5b100e35b1a6d4d97ec8773
+SIZE (jupyterlab-2.1.3.tar.gz) = 8443020