diff --git a/devel/py-oslo.config/Makefile b/devel/py-oslo.config/Makefile
index 051b0f44fb45..79e979f6d16e 100644
--- a/devel/py-oslo.config/Makefile
+++ b/devel/py-oslo.config/Makefile
@@ -1,33 +1,34 @@
 PORTNAME=	oslo.config
-PORTVERSION=	9.7.0
+PORTVERSION=	10.4.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+DISTNAME=	oslo_config-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Oslo Configuration library
 WWW=		https://docs.openstack.org/oslo.config/latest/ \
 		https://github.com/openstack/oslo.config
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR} \
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=6.1.1:devel/py-pbr@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}debtcollector>=1.2.0:devel/py-debtcollector@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}netaddr>=0.7.18:net/py-netaddr@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}netaddr>=0.7.18:net/py-netaddr@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}oslo.i18n>=3.15.3:devel/py-oslo.i18n@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyyaml>=5.1:devel/py-pyyaml@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}requests>=2.18.0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}rfc3986>=1.2.0:www/py-rfc3986@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}stevedore>=1.20.0:devel/py-stevedore@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}stevedore>=5.6.0:devel/py-stevedore@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 post-patch:
 	@${GREP} -lr /etc ${WRKSRC} | ${XARGS} ${REINPLACE_CMD} -e 's|/etc|${PREFIX}&|g'
 
 .include <bsd.port.mk>
diff --git a/devel/py-oslo.config/distinfo b/devel/py-oslo.config/distinfo
index 07c93f0d9905..1791f9a4c0fe 100644
--- a/devel/py-oslo.config/distinfo
+++ b/devel/py-oslo.config/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1732260910
-SHA256 (oslo.config-9.7.0.tar.gz) = b371ebf3f9a63e92b81d5c72b84d2f96f40553532699c68e1c5cd8ca9eca088b
-SIZE (oslo.config-9.7.0.tar.gz) = 164544
+TIMESTAMP = 1779455571
+SHA256 (oslo_config-10.4.0.tar.gz) = 2ae3e02593474ecd7b64ec4eb11482adb4c928a78267bc820f5c3f80240b197a
+SIZE (oslo_config-10.4.0.tar.gz) = 168943
diff --git a/devel/py-oslo.config/files/patch-pyproject.toml b/devel/py-oslo.config/files/patch-pyproject.toml
new file mode 100644
index 000000000000..48b7b2ec98ee
--- /dev/null
+++ b/devel/py-oslo.config/files/patch-pyproject.toml
@@ -0,0 +1,11 @@
+--- pyproject.toml.orig	2026-05-18 09:29:37 UTC
++++ pyproject.toml
+@@ -9,7 +9,7 @@ readme = {file = "README.rst", content-type = "text/x-
+     {name = "OpenStack", email = "openstack-discuss@lists.openstack.org"},
+ ]
+ readme = {file = "README.rst", content-type = "text/x-rst"}
+-license = "Apache-2.0"
++license = {text = "Apache-2.0"}
+ dynamic = ["version", "dependencies"]
+ requires-python = ">=3.10"
+ classifiers = [