diff --git a/devel/py-protobuf/Makefile b/devel/py-protobuf/Makefile
index 6a3f8fe9055e..01d823779838 100644
--- a/devel/py-protobuf/Makefile
+++ b/devel/py-protobuf/Makefile
@@ -1,25 +1,25 @@
 # Created by: vanilla@
 
 PORTNAME=	protobuf
-PORTVERSION=	3.17.3
+PORTVERSION=	3.19.4
 PORTEPOCH=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Google protobuf Python Client Library
 
 LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	protoc:devel/protobuf
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.9:devel/py-six@${PY_FLAVOR}
 
 USES=		cpe python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 CPE_VENDOR=	google
 
 .include <bsd.port.mk>
diff --git a/devel/py-protobuf/distinfo b/devel/py-protobuf/distinfo
index c929817c222c..ec0058046e26 100644
--- a/devel/py-protobuf/distinfo
+++ b/devel/py-protobuf/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1623686456
-SHA256 (protobuf-3.17.3.tar.gz) = 72804ea5eaa9c22a090d2803813e280fb273b62d5ae497aaf3553d141c4fdd7b
-SIZE (protobuf-3.17.3.tar.gz) = 228448
+TIMESTAMP = 1643440680
+SHA256 (protobuf-3.19.4.tar.gz) = 9df0c10adf3e83015ced42a9a7bd64e13d06c4cf45c340d2c63020ea04499d0a
+SIZE (protobuf-3.19.4.tar.gz) = 217854