diff --git a/science/py-asdf/Makefile b/science/py-asdf/Makefile
index b72c37d95466..b6cfe01611e3 100644
--- a/science/py-asdf/Makefile
+++ b/science/py-asdf/Makefile
@@ -1,56 +1,57 @@
 PORTNAME=	asdf
-PORTVERSION=	5.2.0
+PORTVERSION=	5.3.0
 CATEGORIES=	science python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Python tools to handle ASDF files
 WWW=		https://www.asdf-format.org/projects/asdf/en/latest/ \
 		https://github.com/asdf-format/asdf
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=60:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools-scm>=3.4:devel/py-setuptools-scm@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}asdf-standard>=1.1.0:science/py-asdf-standard@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}attrs>=22.2.0:devel/py-attrs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jmespath>=0.6.2:devel/py-jmespath@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpy1>=1.22:math/py-numpy1@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>=19:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyyaml>=6.0:devel/py-pyyaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}semantic-version>=2.8:devel/py-semantic-version@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}fsspec>=2022.8.2:filesystems/py-fsspec@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}lz4>=0.10:archivers/py-lz4@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}psutil>=0:sysutils/py-psutil@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-doctestplus>=0:devel/py-pytest-doctestplus@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest-remotedata>=0:devel/py-pytest-remotedata@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}pytest-remotedata>=0:devel/py-pytest-remotedata@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}syrupy>=5.1:devel/py-syrupy@${PY_FLAVOR}
 # fsspec[http]
 TEST_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}aiohttp>=0:www/py-aiohttp@${PY_FLAVOR}
 
 USES=		python shebangfix
 USE_PYTHON=	autoplist concurrent pep517 pytest
 
 NO_ARCH=	yes
 
 SHEBANG_FILES=	asdf/_jsonschema/json/bin/jsonschema_suite
 
 OPTIONS_DEFINE=	ALL HTTP LZ4
 OPTIONS_DEFAULT=ALL HTTP LZ4
 ALL_IMPLIES=	HTTP LZ4
 ALL_DESC=	All optional dependencies
 HTTP_DESC=	HTTP support via fsspec
 
 HTTP_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aiohttp>=0:www/py-aiohttp@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}fsspec>=2022.8.2:filesystems/py-fsspec@${PY_FLAVOR}
 LZ4_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}lz4>=0.10:archivers/py-lz4@${PY_FLAVOR}
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 31100
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=4.11.4:devel/py-importlib-metadata@${PY_FLAVOR}
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/science/py-asdf/distinfo b/science/py-asdf/distinfo
index 2af9f4df6acb..f2b6f2fa6bde 100644
--- a/science/py-asdf/distinfo
+++ b/science/py-asdf/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587554
-SHA256 (asdf-5.2.0.tar.gz) = 1e59d626400cbefbcddf411e700204fcd110e1c852dab3e3368a250ca5419f1f
-SIZE (asdf-5.2.0.tar.gz) = 897677
+TIMESTAMP = 1777252780
+SHA256 (asdf-5.3.0.tar.gz) = 7f03fd1ea17b1c6f78599e5325673284a466a428732f11eba1b950658fded7d2
+SIZE (asdf-5.3.0.tar.gz) = 901712
diff --git a/science/py-asdf/files/patch-pyproject.toml b/science/py-asdf/files/patch-pyproject.toml
index fb12db026158..c75bb3d5f9ef 100644
--- a/science/py-asdf/files/patch-pyproject.toml
+++ b/science/py-asdf/files/patch-pyproject.toml
@@ -1,11 +1,11 @@
---- pyproject.toml.orig	2025-11-06 16:08:46 UTC
+--- pyproject.toml.orig	2026-04-23 20:15:51 UTC
 +++ pyproject.toml
-@@ -2,7 +2,7 @@ readme = 'README.rst'
- name = "asdf"
+@@ -3,7 +3,7 @@ requires-python = ">=3.10"
  description = "Python implementation of the ASDF Standard"
- readme = 'README.rst'
--license-files = ['LICENSE']
+ readme = "README.rst"
+ requires-python = ">=3.10"
+-license-files = ["LICENSE"]
 +license = { file = 'LICENSE' }
- authors = [{ name = 'The ASDF Developers' }]
- requires-python = '>=3.9'
+ authors = [{ name = "The ASDF Developers" }]
  classifiers = [
+   "Development Status :: 5 - Production/Stable",