diff --git a/security/py-securesystemslib/Makefile b/security/py-securesystemslib/Makefile
index 6a036f87004a..0ccd3e02f59e 100644
--- a/security/py-securesystemslib/Makefile
+++ b/security/py-securesystemslib/Makefile
@@ -1,34 +1,33 @@
 PORTNAME=	securesystemslib
-PORTVERSION=	0.27.0
-PORTREVISION=	1
+PORTVERSION=	0.28.0
 CATEGORIES=	security python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Cryptographic and general-purpose routines
 WWW=		https://github.com/secure-systems-lab/securesystemslib
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatchling>0:devel/py-hatchling@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cryptography>=3.3.2:security/py-cryptography@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pynacl>1.2.0:security/py-pynacl@${PY_FLAVOR}
 TEST_DEPENDS=	${LOCALBASE}/bin/gpg:security/gnupg
 
 USES=		python:3.7+ pytest shebangfix
 USE_PYTHON=	autoplist pep517
 PYTEST_ARGS=	tests
 
 SHEBANG_FILES=	securesystemslib/settings.py \
 	securesystemslib/schema.py \
 	securesystemslib/_vendor/test-ed25519-upstream.sh \
 	securesystemslib/keys.py \
 	securesystemslib/rsa_keys.py \
 	securesystemslib/hash.py \
 	securesystemslib/formats.py
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/security/py-securesystemslib/distinfo b/security/py-securesystemslib/distinfo
index b311850dcd3d..107c8b282750 100644
--- a/security/py-securesystemslib/distinfo
+++ b/security/py-securesystemslib/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1680175913
-SHA256 (securesystemslib-0.27.0.tar.gz) = 27fab4aae9adaf82530dc58f8e85a546f637d5ec5c5ef00d261689985420a70b
-SIZE (securesystemslib-0.27.0.tar.gz) = 988453
+TIMESTAMP = 1681924414
+SHA256 (securesystemslib-0.28.0.tar.gz) = a27e519247576f2a77b97fb03267d8eeb88eba715d12da64109e845616f919c6
+SIZE (securesystemslib-0.28.0.tar.gz) = 994910