diff --git a/devel/py-installer/Makefile b/devel/py-installer/Makefile
index b8d635843bb2..3de6a1a55d89 100644
--- a/devel/py-installer/Makefile
+++ b/devel/py-installer/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	installer
-PORTVERSION=	0.7.0
+PORTVERSION=	1.0.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Library for installing Python wheels
 WWW=		https://installer.pypa.io/en/stable/ \
 		https://github.com/pypa/installer
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python
 USE_PYTHON=	allflavors autoplist concurrent pep517
 
 MAKE_ENV=	PYTHONPATH=${WRKSRC}/src
 NO_ARCH=	yes
 
 PEP517_BUILD_CMD=	${PYTHON_CMD} -m flit_core.wheel
-PEP517_BUILD_DEPEND=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.2.0<4:devel/py-flit-core@${PY_FLAVOR}
+PEP517_BUILD_DEPEND=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.11<4:devel/py-flit-core@${PY_FLAVOR}
 PEP517_INSTALL_DEPEND=	# empty
 
 .include <bsd.port.mk>
diff --git a/devel/py-installer/distinfo b/devel/py-installer/distinfo
index 5dc09712ff1b..7e6b53d2854f 100644
--- a/devel/py-installer/distinfo
+++ b/devel/py-installer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1681052952
-SHA256 (installer-0.7.0.tar.gz) = a26d3e3116289bb08216e0d0f7d925fcef0b0194eedfa0c944bcaaa106c4b631
-SIZE (installer-0.7.0.tar.gz) = 474349
+TIMESTAMP = 1775587302
+SHA256 (installer-1.0.0.tar.gz) = c6d691331621cf3fec4822f5c6f83cab3705f79b316225dc454127411677c71f
+SIZE (installer-1.0.0.tar.gz) = 462685