diff --git a/devel/py-cfn-lint/Makefile b/devel/py-cfn-lint/Makefile
index 0cc0184a4e0d..e8deff66a874 100644
--- a/devel/py-cfn-lint/Makefile
+++ b/devel/py-cfn-lint/Makefile
@@ -1,45 +1,44 @@
 PORTNAME=	cfn-lint
-DISTVERSION=	1.55.1
+DISTVERSION=	1.56.0
 CATEGORIES=	devel python textproc
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	${PORTNAME:S/-/_/}-${DISTVERSIONFULL}
 
 MAINTAINER=	nork@FreeBSD.org
 COMMENT=	AWS CloudFormation Linter
 WWW=		https://pypi.org/project/cfn-lint/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PY_SETUPTOOLS} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}jschema-to-python>=1.2.3:devel/py-jschema-to-python@${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} \
 		${PYTHON_PKGNAMEPREFIX}networkx>=2.4,2<4,2:math/py-networkx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyyaml>=6.0.3:devel/py-pyyaml@${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} \
+		${PYTHON_PKGNAMEPREFIX}sympy>=1.14.0:math/py-sympy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>0:devel/py-typing-extensions@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}defusedxml>0:devel/py-defusedxml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pydot>0:graphics/py-pydot@${PY_FLAVOR}
 
 USES=		pytest python
 USE_PYTHON=	autoplist concurrent pep517 unittest
 PYTEST_ARGS=	-x -v --showlocals --tb=long \
 		--ignore=test/integration/test_schema_files.py \
 		--ignore=test/unit/module/maintenance/test_update_specs_from_pricing.py
 
 TEST_ENV=	${MAKE_ENV} \
 		PATH=${STAGEDIR}${PREFIX}/bin:${PATH} \
 		PYTHONPATH=${STAGEDIR}${PYTHON_SITELIBDIR}
 
 NO_ARCH=	yes
 
 pre-test:
 		${SETENVI} ${WRK_ENV} ${TEST_ENV} ${PYTHON_CMD} ${STAGEDIR}${PREFIX}/bin/cfn-lint --update-specs --force
 
 .include <bsd.port.mk>
diff --git a/devel/py-cfn-lint/distinfo b/devel/py-cfn-lint/distinfo
index f30275c32fcc..55ff6b2ee261 100644
--- a/devel/py-cfn-lint/distinfo
+++ b/devel/py-cfn-lint/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1786953289
-SHA256 (cfn_lint-1.55.1.tar.gz) = 1e870ec3dfad17bf2cf164decba961551aed00a3eb3e51182eca6987eddb5562
-SIZE (cfn_lint-1.55.1.tar.gz) = 4646651
+TIMESTAMP = 1788277885
+SHA256 (cfn_lint-1.56.0.tar.gz) = e3a67b547527a999a5bfa54e5c47920425322cbb625ea2e6447ca51f6fa7173d
+SIZE (cfn_lint-1.56.0.tar.gz) = 4741346
diff --git a/devel/py-cfn-lint/files/patch-src_cfnlint_data_schemas_version.json b/devel/py-cfn-lint/files/patch-src_cfnlint_data_schemas_version.json
deleted file mode 100644
index 25c702b81b43..000000000000
--- a/devel/py-cfn-lint/files/patch-src_cfnlint_data_schemas_version.json
+++ /dev/null
@@ -1,7 +0,0 @@
---- src/cfnlint/data/schemas/version.json.orig	2026-08-13 17:14:46 UTC
-+++ src/cfnlint/data/schemas/version.json
-@@ -1 +1,3 @@
--{"schema_date": "2026-08-11T22:19:36Z"}
-+{
-+ "schema_date": "2026-08-11T22:19:36Z"
-+}