diff --git a/devel/py-types-python-dateutil/Makefile b/devel/py-types-python-dateutil/Makefile
index 03266ac8f7c9..59e9e2993faa 100644
--- a/devel/py-types-python-dateutil/Makefile
+++ b/devel/py-types-python-dateutil/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	types-python-dateutil
-DISTVERSION=	2.8.19.14
-PORTREVISION=	1
+DISTVERSION=	2.9.0.20260323
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+DISTNAME=	types_python_dateutil-${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Typing stubs for python-dateutil
 WWW=		https://github.com/python/typeshed
 
 LICENSE=	APACHE20
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-types-python-dateutil/distinfo b/devel/py-types-python-dateutil/distinfo
index f22fca989e1d..3c9e7e7908d4 100644
--- a/devel/py-types-python-dateutil/distinfo
+++ b/devel/py-types-python-dateutil/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1689920094
-SHA256 (types-python-dateutil-2.8.19.14.tar.gz) = 1f4f10ac98bb8b16ade9dbee3518d9ace017821d94b057a425b069f834737f4b
-SIZE (types-python-dateutil-2.8.19.14.tar.gz) = 8720
+TIMESTAMP = 1774991574
+SHA256 (types_python_dateutil-2.9.0.20260323.tar.gz) = a107aef5841db41ace381dbbbd7e4945220fc940f7a72172a0be5a92d9ab7164
+SIZE (types_python_dateutil-2.9.0.20260323.tar.gz) = 16897
diff --git a/devel/py-types-python-dateutil/files/patch-pyproject.toml b/devel/py-types-python-dateutil/files/patch-pyproject.toml
new file mode 100644
index 000000000000..879af1e86f87
--- /dev/null
+++ b/devel/py-types-python-dateutil/files/patch-pyproject.toml
@@ -0,0 +1,17 @@
+--- pyproject.toml.orig	2026-03-31 14:19:18.055818000 -0700
++++ pyproject.toml	2026-03-31 14:19:18.058072000 -0700
+@@ -1,12 +1,11 @@
+ [build-system]
+ build-backend = "setuptools.build_meta"
+-requires = ["setuptools>=82.0.1"]
++requires = ["setuptools>=63"]
+ 
+ [project]
+ name = "types-python-dateutil"
+ version = "2.9.0.20260323"
+-license = "Apache-2.0"
+-license-files = ["LICENSE"]
++license = {text = "Apache-2.0"}
+ description = "Typing stubs for python-dateutil"
+ readme = { text = """\
+ ## Typing stubs for python-dateutil