diff --git a/devel/py-blinker/Makefile b/devel/py-blinker/Makefile
index 794f2eb5d9b7..0044c17b7bde 100644
--- a/devel/py-blinker/Makefile
+++ b/devel/py-blinker/Makefile
@@ -1,23 +1,23 @@
 PORTNAME=	blinker
-PORTVERSION=	1.6.2
+PORTVERSION=	1.6.3
 CATEGORIES=	devel python
-MASTER_SITES=	PYPI
+MASTER_SITES=	PYPI \
+		https://github.com/pallets-eco/blinker/releases/download/${PORTVERSION}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Fast, simple object-to-object and broadcast signaling
 WWW=		https://pythonhosted.org/blinker/ \
 		https://github.com/pallets-eco/blinker
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
-BUILD_DEPENDS=	${PY_SETUPTOOLS} \
-		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>=0<4:devel/py-flit-core@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517 pytest
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-blinker/distinfo b/devel/py-blinker/distinfo
index cf5f09bb80c9..275f9f4dbf5a 100644
--- a/devel/py-blinker/distinfo
+++ b/devel/py-blinker/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1684104382
-SHA256 (blinker-1.6.2.tar.gz) = 4afd3de66ef3a9f8067559fb7a1cbe555c17dcbe15971b05d1b625c3e7abe213
-SIZE (blinker-1.6.2.tar.gz) = 28699
+TIMESTAMP = 1696753644
+SHA256 (blinker-1.6.3.tar.gz) = 152090d27c1c5c722ee7e48504b02d76502811ce02e1523553b4cf8c8b3d3a8d
+SIZE (blinker-1.6.3.tar.gz) = 28092