From 7a20aa5a9aa5c3e6382063e77e00d0fb60fa360a Mon Sep 17 00:00:00 2001
From: stevenhua0320 <r.hua@mail.utoronto.ca>
Date: Tue, 20 Jan 2026 23:28:17 -0500
Subject: [PATCH] build: Add support for Python 3.14 and remove support for
 python 3.11

---
 news/python-version.rst | 23 +++++++++++++++++++++++
 pyproject.toml          |  4 ++--
 2 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 news/python-version.rst

diff --git a/news/python-version.rst b/news/python-version.rst
new file mode 100644
index 00000000..a037a121
--- /dev/null
+++ b/news/python-version.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* Support for Python 3.14
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* Support for Python 3.11
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/pyproject.toml b/pyproject.toml
index 46176534..a90b9a64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ maintainers = [
 description = "Crystal structure container and parsers for structure formats."
 keywords = ['diffpy', 'crystal structure data storage', 'CIF', 'PDB']
 readme = "README.rst"
-requires-python = ">=3.11, <3.14"
+requires-python = ">=3.12, <3.15"
 classifiers = [
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',
@@ -25,9 +25,9 @@ classifiers = [
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX',
         'Operating System :: Unix',
-        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
         'Topic :: Scientific/Engineering :: Physics',
         'Topic :: Scientific/Engineering :: Chemistry',
 ]