Index: deskutils/py-vdirsyncer/Makefile
===================================================================
--- deskutils/py-vdirsyncer/Makefile	(revision 455239)
+++ deskutils/py-vdirsyncer/Makefile	(working copy)
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	vdirsyncer
-PORTVERSION=	0.12.1
+PORTVERSION=	0.16.3
 CATEGORIES=	deskutils python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -9,7 +9,7 @@
 MAINTAINER=	che@bein.link
 COMMENT=	Synchronize calendars and contacts
 
-LICENSE=	MIT
+LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=1.10.1:devel/py-setuptools_scm@${FLAVOR}
@@ -17,13 +17,17 @@
 		${PYTHON_PKGNAMEPREFIX}click>=5.0:devel/py-click@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}click-log>=0.1.3:devel/py-click-log@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}click-threading>=0.1.2:devel/py-click-threading@${FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}icalendar>=3.6:devel/py-icalendar@${FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}lxml>=3.1:devel/py-lxml@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>=2.4.1:www/py-requests@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests-toolbelt>=0.4.0:www/py-requests-toolbelt@${FLAVOR}
 
-USES=		python
+USES=		python:3.3+
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
+OPTIONS_DEFAULT=
+OPTIONS_DEFINE=	GOOGLE
+
+GOOGLE_DESC=	Enable Google Calendar support
+GOOGLE_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}requests-oauthlib>=0:www/py-requests-oauthlib@${FLAVOR}
+
 .include <bsd.port.mk>
Index: deskutils/py-vdirsyncer/distinfo
===================================================================
--- deskutils/py-vdirsyncer/distinfo	(revision 455239)
+++ deskutils/py-vdirsyncer/distinfo	(working copy)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1473264230
-SHA256 (vdirsyncer-0.12.1.tar.gz) = 3fbba82d5c687238698799799521978bffe72f87b911a267a9c1933b10bd7df8
-SIZE (vdirsyncer-0.12.1.tar.gz) = 99808
+TIMESTAMP = 1512087875
+SHA256 (vdirsyncer-0.16.3.tar.gz) = fc5f6c5225d588b01ee225358a7c096283896a2a26a4f02c9651cf93a25bfc36
+SIZE (vdirsyncer-0.16.3.tar.gz) = 113327