diff --git a/devel/py-installer/Makefile b/devel/py-installer/Makefile
index 4bd4a88a9de0..19f35569a54b 100644
--- a/devel/py-installer/Makefile
+++ b/devel/py-installer/Makefile
@@ -1,26 +1,25 @@
 PORTNAME=	installer
-PORTVERSION=	1.0.0
-PORTREVISION=	1
+PORTVERSION=	1.0.1
 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=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.11<4:devel/py-flit-core@${PY_FLAVOR}
 PEP517_INSTALL_DEPEND=	# empty
 
 .include <bsd.port.mk>
diff --git a/devel/py-installer/distinfo b/devel/py-installer/distinfo
index 7e6b53d2854f..95dd63441b66 100644
--- a/devel/py-installer/distinfo
+++ b/devel/py-installer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587302
-SHA256 (installer-1.0.0.tar.gz) = c6d691331621cf3fec4822f5c6f83cab3705f79b316225dc454127411677c71f
-SIZE (installer-1.0.0.tar.gz) = 462685
+TIMESTAMP = 1778641018
+SHA256 (installer-1.0.1.tar.gz) = 052c7fc3721d54c696e2dea019be67539d7b144e924f559f54beb3121831c364
+SIZE (installer-1.0.1.tar.gz) = 481132
diff --git a/devel/py-installer/files/patch-src_installer_destinations.py b/devel/py-installer/files/patch-src_installer_destinations.py
deleted file mode 100644
index 1079affcaa6c..000000000000
--- a/devel/py-installer/files/patch-src_installer_destinations.py
+++ /dev/null
@@ -1,28 +0,0 @@
-Combination of https://github.com/pypa/installer/commit/8b72cf945bfa and
-https://github.com/pypa/installer/commit/b5f03f151f0e.
-See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294631 and
-https://github.com/pypa/installer/issues/325.
-
---- src/installer/destinations.py.orig	2026-03-28 15:38:56 UTC
-+++ src/installer/destinations.py
-@@ -136,8 +136,18 @@ class SchemeDictionaryDestination(WheelDestination):
-     """Silently overwrite existing files."""
- 
-     def _path_with_destdir(self, scheme: Scheme, path: str) -> Path:
--        target_dir = Path(self.scheme_dict[scheme]).resolve()
--        file = (target_dir / path).resolve()
-+        # See https://docs.python.org/3/library/zipfile.html#zipfile.Path:
-+        #  When handling untrusted archives,
-+        #  consider resolving filenames using os.path.abspath()
-+        #  and checking against the target directory with os.path.commonpath().
-+        #
-+        # Attention: Path.absolute() is not sufficient because it does not
-+        #  normalize, i.e. does not remove "..".
-+        #
-+        # We want to avoid Path.resolve() because it is significantly slower
-+        # than os.path.abspath()!
-+        target_dir = Path(os.path.abspath(self.scheme_dict[scheme]))  # noqa: PTH100
-+        file = Path(os.path.abspath(target_dir / path))  # noqa: PTH100
- 
-         if not file.is_relative_to(target_dir):
-             raise ValueError(