diff --git a/www/py-flask-restx/Makefile b/www/py-flask-restx/Makefile
index fc7d8570f0ec..11dc18650dcf 100644
--- a/www/py-flask-restx/Makefile
+++ b/www/py-flask-restx/Makefile
@@ -1,24 +1,25 @@
 PORTNAME=	flask-restx
 PORTVERSION=	0.4.0
+PORTREVISION=	1
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Extension for Flask that adds support for quickly building REST APIs
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aniso8601>=0.82:devel/py-aniso8601@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jsonschema>0:devel/py-jsonschema@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytz>0:devel/py-pytz@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.3.0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Flask>=0.8:www/py-flask@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}werkzeug>0:www/py-werkzeug@${PY_FLAVOR}
 
 NO_ARCH=	yes
 USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
diff --git a/www/py-flask-restx/files/patch-requirements_install.pip b/www/py-flask-restx/files/patch-requirements_install.pip
new file mode 100644
index 000000000000..8d42c6fe279d
--- /dev/null
+++ b/www/py-flask-restx/files/patch-requirements_install.pip
@@ -0,0 +1,13 @@
+--- requirements/install.pip.orig	2021-05-12 12:55:49 UTC
++++ requirements/install.pip
+@@ -1,8 +1,8 @@
+ aniso8601==8.0.0; python_version < '3.5'
+ aniso8601>=0.82; python_version >= '3.5'
+ jsonschema
+-Flask>=0.8, <2.0.0
+-werkzeug <2.0.0
++Flask>=0.8
++werkzeug
+ pytz
+ six>=1.3.0
+ enum34; python_version < '3.4'