Index: head/archivers/py-lz4/Makefile
===================================================================
--- head/archivers/py-lz4/Makefile	(revision 459665)
+++ head/archivers/py-lz4/Makefile	(revision 459666)
@@ -1,31 +1,37 @@
 # $FreeBSD$
 
 PORTNAME=	lz4
-PORTVERSION=	0.18.2
+PORTVERSION=	0.19.1
 CATEGORIES=	archivers python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	Python binding for the LZ4 compression library
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	liblz4>=1.7.5:archivers/liblz4 \
 		${PYTHON_PKGNAMEPREFIX}pkgconfig>=0:devel/py-pkgconfig@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-runner>=0:devel/py-pytest-runner@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools_scm>0:devel/py-setuptools_scm@${FLAVOR}
 LIB_DEPENDS=	liblz4.so:archivers/liblz4
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}deprecation>=0:devel/py-deprecation@${FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${FLAVOR}
 
 USE_PYTHON=	distutils py3kplist
 USES=		python
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/${PORTNAME}/_version.so \
 		${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/${PORTNAME}/block/_block.so \
 		${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/${PORTNAME}/frame/_frame.so
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3000
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}future>=0:devel/py-future@${FLAVOR}
+.endif
+
+.include <bsd.port.post.mk>
Index: head/archivers/py-lz4/distinfo
===================================================================
--- head/archivers/py-lz4/distinfo	(revision 459665)
+++ head/archivers/py-lz4/distinfo	(revision 459666)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1516539815
-SHA256 (lz4-0.18.2.tar.gz) = 7f04109ca7104b952a284d397c16cc7dc4ad7b81a0ff13bd6240bd5e5ba633e7
-SIZE (lz4-0.18.2.tar.gz) = 100954
+TIMESTAMP = 1516630809
+SHA256 (lz4-0.19.1.tar.gz) = 48be1403a902fb6693aa9d5088c4b315f67ac21d507a238ecfeae4d22e8334be
+SIZE (lz4-0.19.1.tar.gz) = 107434
Index: head/archivers/py-lz4/pkg-plist
===================================================================
--- head/archivers/py-lz4/pkg-plist	(revision 459665)
+++ head/archivers/py-lz4/pkg-plist	(revision 459666)
@@ -1,15 +1,18 @@
 %%PYTHON_SITELIBDIR%%/lz4/__init__.py
 %%PYTHON_SITELIBDIR%%/lz4/__init__.pyc
 %%PYTHON_SITELIBDIR%%/lz4/__init__.pyo
 %%PYTHON_SITELIBDIR%%/lz4/_version.so
 %%PYTHON_SITELIBDIR%%/lz4/block/__init__.py
 %%PYTHON_SITELIBDIR%%/lz4/block/__init__.pyc
 %%PYTHON_SITELIBDIR%%/lz4/block/__init__.pyo
 %%PYTHON_SITELIBDIR%%/lz4/block/_block.so
 %%PYTHON_SITELIBDIR%%/lz4/frame/__init__.py
 %%PYTHON_SITELIBDIR%%/lz4/frame/__init__.pyc
 %%PYTHON_SITELIBDIR%%/lz4/frame/__init__.pyo
+%%PYTHON_SITELIBDIR%%/lz4/frame/_compression.py
+%%PYTHON_SITELIBDIR%%/lz4/frame/_compression.pyc
+%%PYTHON_SITELIBDIR%%/lz4/frame/_compression.pyo
 %%PYTHON_SITELIBDIR%%/lz4/frame/_frame.so
 %%PYTHON_SITELIBDIR%%/lz4/version.py
 %%PYTHON_SITELIBDIR%%/lz4/version.pyc
 %%PYTHON_SITELIBDIR%%/lz4/version.pyo