diff --git a/sysutils/py-filelock/Makefile b/sysutils/py-filelock/Makefile
index f51c2c7ff2af..9466126450a2 100644
--- a/sysutils/py-filelock/Makefile
+++ b/sysutils/py-filelock/Makefile
@@ -1,18 +1,22 @@
 PORTNAME=	filelock
 DISTVERSION=	3.4.2
+PORTREVISION=	1
 CATEGORIES=	sysutils python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Platform independent file lock
 
 LICENSE=	PD
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.7+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
+post-patch: # workaround for https://github.com/tox-dev/py-filelock/issues/133
+	@${REINPLACE_CMD} -e 's|author = Benedikt Schmitt|version = ${PORTVERSION}|' ${WRKSRC}/setup.cfg
+
 .include <bsd.port.mk>