diff --git a/devel/py-oslo.serialization/Makefile b/devel/py-oslo.serialization/Makefile
index 198ab96bbd8a..ccacd0972b78 100644
--- a/devel/py-oslo.serialization/Makefile
+++ b/devel/py-oslo.serialization/Makefile
@@ -1,24 +1,24 @@
 PORTNAME=	oslo.serialization
-PORTVERSION=	4.3.0
+PORTVERSION=	5.0.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Oslo Serialization library
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}msgpack>=0.5.2:devel/py-msgpack@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}oslo.utils>=3.33.0:devel/py-oslo.utils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytz>=2013.6,1:devel/py-pytz@${PY_FLAVOR}
 
 USES=		python:3.8+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-oslo.serialization/distinfo b/devel/py-oslo.serialization/distinfo
index 9b2285ca468f..6b3a75f620b5 100644
--- a/devel/py-oslo.serialization/distinfo
+++ b/devel/py-oslo.serialization/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1646058000
-SHA256 (oslo.serialization-4.3.0.tar.gz) = 3aa472f434aee8bbcc0725312b7f409aa1fa54bbc134904124cf49b0e86b9115
-SIZE (oslo.serialization-4.3.0.tar.gz) = 34114
+TIMESTAMP = 1657719104
+SHA256 (oslo.serialization-5.0.0.tar.gz) = 2845328d0f47dc8a23fed2a82253e90acff0aa731dbd24f379cf8e50e6cc66ba
+SIZE (oslo.serialization-5.0.0.tar.gz) = 34194