Index: head/security/py-google-auth/Makefile
===================================================================
--- head/security/py-google-auth/Makefile	(revision 522808)
+++ head/security/py-google-auth/Makefile	(revision 522809)
@@ -1,26 +1,34 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	google-auth
 PORTVERSION=	1.10.0
+PORTREVISION=	1
 CATEGORIES=	security python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Google Authentication Library
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cachetools>=2.0.0<5.0:devel/py-cachetools@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pyasn1-modules>=0.2.1:devel/py-pyasn1-modules@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyasn1-modules>=0.2.1:devel/py-pyasn1-modules@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}rsa>=3.1.4<4.1:security/py-rsa@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.9.0:devel/py-six@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3500
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}cachetools3>=2.0.0<5.0:devel/py-cachetools3@${PY_FLAVOR}
+.else
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}cachetools>=2.0.0<5.0:devel/py-cachetools@${PY_FLAVOR}
+.endif
+
+.include <bsd.port.post.mk>