diff --git a/graphics/py-graphlib-backport/Makefile b/graphics/py-graphlib-backport/Makefile
index 6f75453e61dd..4330b34e7cbb 100644
--- a/graphics/py-graphlib-backport/Makefile
+++ b/graphics/py-graphlib-backport/Makefile
@@ -1,19 +1,21 @@
 PORTNAME=	graphlib-backport
-PORTVERSION=	1.0.3
+PORTVERSION=	1.1.0
 CATEGORIES=	graphics python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	graphlib_backport-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Backport of the Python 3.9 graphlib module for Python 3.6+
 WWW=		https://github.com/mariushelf/graphlib_backport
 
 LICENSE=	PSFL
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}poetry-core>=1.0:devel/py-poetry-core@${PY_FLAVOR}
+
 USES=		python
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/graphics/py-graphlib-backport/distinfo b/graphics/py-graphlib-backport/distinfo
index ec49f76ebe90..d3887b401035 100644
--- a/graphics/py-graphlib-backport/distinfo
+++ b/graphics/py-graphlib-backport/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1655208196
-SHA256 (graphlib_backport-1.0.3.tar.gz) = 7bb8fc7757b8ae4e6d8000a26cd49e9232aaa9a3aa57edb478474b8424bfaae2
-SIZE (graphlib_backport-1.0.3.tar.gz) = 5031
+TIMESTAMP = 1710712504
+SHA256 (graphlib_backport-1.1.0.tar.gz) = 00a7888b21e5393064a133209cb5d3b3ef0a2096cf023914c9d778dff5644125
+SIZE (graphlib_backport-1.1.0.tar.gz) = 6639
diff --git a/graphics/py-graphlib-backport/files/patch-pyproject.toml b/graphics/py-graphlib-backport/files/patch-pyproject.toml
new file mode 100644
index 000000000000..e93cec81da24
--- /dev/null
+++ b/graphics/py-graphlib-backport/files/patch-pyproject.toml
@@ -0,0 +1,10 @@
+--- pyproject.toml.orig	2024-03-05 11:04:37 UTC
++++ pyproject.toml
+@@ -52,5 +52,5 @@ target-version = "py37"
+ ]
+ 
+ [build-system]
+-requires = ["poetry>=1.0"]
+-build-backend = "poetry.masonry.api"
++requires = ["poetry-core>=1.0"]
++build-backend = "poetry.core.masonry.api"