diff --git a/.gitignore b/.gitignore
index d8dd9b8..cc6242e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /python-docx-0.8.5.tar.gz
 /python-docx-0.8.11.tar.gz
 /python-docx-1.0.1.tar.gz
+/python-docx-1.1.0.tar.gz
diff --git a/1258.patch b/1258.patch
deleted file mode 100644
index 24a9d71..0000000
--- a/1258.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-From 9a0ea2cf4b9167c350c8db05f91f49db19c16f58 Mon Sep 17 00:00:00 2001
-From: "Benjamin A. Beasley" <code@musicinmybrain.net>
-Date: Fri, 13 Oct 2023 09:18:17 -0400
-Subject: [PATCH] Add build backend in pyproject.toml
-
----
- pyproject.toml | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/pyproject.toml b/pyproject.toml
-index dc9884a9b..74149e24d 100644
---- a/pyproject.toml
-+++ b/pyproject.toml
-@@ -1,5 +1,6 @@
- [build-system]
- requires = ["setuptools>=61.0.0"]
-+build-backend = "setuptools.build_meta"
- 
- [project]
- name = "python-docx"
diff --git a/python-docx.spec b/python-docx.spec
index 5e05da5..b48ca9a 100644
--- a/python-docx.spec
+++ b/python-docx.spec
@@ -5,7 +5,7 @@
 %bcond doc 1
 
 Name:           python-docx
-Version:        1.0.1
+Version:        1.1.0
 Release:        %autorelease
 Summary:        Create and modify Word documents with Python
 
@@ -14,15 +14,7 @@ License:        MIT
 URL:            https://python-docx.readthedocs.io/en/latest/
 # We MUST use the PyPI tarball; the GitHub tarball includes material under ref/
 # (PDFs of ISO/IEC standards) for which redistribution may be prohibited.
-Source0:        %{pypi_source python-docx}
-# Include requirements files in PyPI sdist
-# https://github.com/python-openxml/python-docx/pull/1259
-Source1:        https://github.com/python-openxml/python-docx/raw/v%{version}/requirements.txt
-Source2:        https://github.com/python-openxml/python-docx/raw/v%{version}/requirements-test.txt
-
-# Add build backend in pyproject.toml
-# https://github.com/python-openxml/python-docx/pull/1258
-Patch:          https://github.com/python-openxml/python-docx/pull/1258.patch
+Source:         %{pypi_source python-docx}
 
 BuildArch:      noarch
 
@@ -59,9 +51,7 @@ Summary:        Documentation for python-docx
 
 
 %prep
-%autosetup -p1
-
-cp -p '%{SOURCE1}' '%{SOURCE2}' .
+%autosetup
 
 # https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/#_linters
 sed -r -i 's/^(ruff)\b/# &/' requirements-test.txt
@@ -81,6 +71,10 @@ echo 'intersphinx_mapping.clear()' >> docs/conf.py
 # Fix a stray CRLF-terminated reStructuredText file:
 dos2unix --keepdate docs/dev/analysis/features/table/cell-merge.rst
 
+# While filterwarnings = ["error"] makes sense for upstream development and CI,
+# it is too strict for distribution packaging.
+sed -r -i 's/^([[:blank:]]*)("error",)$/\1# \2/' pyproject.toml
+
 
 %generate_buildrequires
 %pyproject_buildrequires -t
diff --git a/requirements-test.txt b/requirements-test.txt
deleted file mode 100644
index 85d9f6b..0000000
--- a/requirements-test.txt
+++ /dev/null
@@ -1,5 +0,0 @@
--r requirements.txt
-behave>=1.2.3
-pyparsing>=2.0.1
-pytest>=2.5
-ruff
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index a156cfe..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-lxml>=3.1.0
-typing-extensions
diff --git a/sources b/sources
index 065fd86..10605fb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (python-docx-1.0.1.tar.gz) = 5e50653086e9bc8b4487d92a2a11db161018f9c96721a926b4820b404167b051d021a96de5c4467aa63d0b19b25033f9522376e1ce8b185043ab7a0e8f5e131a
+SHA512 (python-docx-1.1.0.tar.gz) = ad654d68b3f0825bf9483c20092eb559016c3481e75e098d62e3b3b703697409abc244a38854fd0cee8919d852b068d0f88af12478b589885cbd0e80972653d3