diff --git a/devel/py-cfn-lint/Makefile b/devel/py-cfn-lint/Makefile
index c45ec08bf2b3..ef130fbb3c68 100644
--- a/devel/py-cfn-lint/Makefile
+++ b/devel/py-cfn-lint/Makefile
@@ -1,30 +1,33 @@
 PORTNAME=	cfn-lint
 DISTVERSION=	0.77.5
 CATEGORIES=	devel python textproc
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	nork@FreeBSD.org
 COMMENT=	AWS CloudFormation Linter
 WWW=		https://pypi.org/project/cfn-lint/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aws-sam-translator>=1.65.0:devel/py-aws-sam-translator@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jschema-to-python>=1.2.3:devel/py-jschema-to-python@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jsonpatch>0:devel/py-jsonpatch@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jsonschema>=3.0<5:devel/py-jsonschema@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}junit-xml>=1.9:textproc/py-junit-xml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}networkx>=2.4,1<4,1:math/py-networkx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}regex>0:textproc/py-regex@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sarif-om>=1.0.4:devel/py-sarif-om@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sympy>=1.0.0:math/py-sympy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>5.4:devel/py-yaml@${PY_FLAVOR}
 
 USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent distutils unittest
+TEST_ENV=	${MAKE_ENV} \
+		PATH=${STAGEDIR}${PREFIX}/bin:${PATH} \
+		PYTHONPATH=${STAGEDIR}${PYTHON_SITELIBDIR}
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-cfn-lint/files/patch-src_cfnlint_maintenance.py b/devel/py-cfn-lint/files/patch-src_cfnlint_maintenance.py
new file mode 100644
index 000000000000..9761d68e868a
--- /dev/null
+++ b/devel/py-cfn-lint/files/patch-src_cfnlint_maintenance.py
@@ -0,0 +1,13 @@
+--- src/cfnlint/maintenance.py.orig	2023-05-08 16:34:58 UTC
++++ src/cfnlint/maintenance.py
+@@ -226,9 +226,8 @@ def update_documentation(rules):
+                 "../"
+                 + subprocess.check_output(
+                     [
+-                        "git",
+                         "grep",
+-                        "-l",
++                        "-lr",
+                         'id = "' + rule.id + '"',
+                         "src/cfnlint/rules/",
+                     ]