From 5af6af3fed8b16b1a6350835405f5cf322cba2a7 Mon Sep 17 00:00:00 2001
From: John Halloran <jhalloran@oxy.edu>
Date: Fri, 14 Aug 2026 22:02:42 -0700
Subject: [PATCH] chore: Add support for Python 3.14 and remove support for
 3.11

---
 cookiecutter.json        |  4 ++--
 news/rem-311-add-314.rst | 23 +++++++++++++++++++++++
 pyproject.toml           |  4 ++--
 3 files changed, 27 insertions(+), 4 deletions(-)
 create mode 100644 news/rem-311-add-314.rst

diff --git a/cookiecutter.json b/cookiecutter.json
index 46a6391..a1d6c1e 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -13,8 +13,8 @@
   "package_dir_name": "diffpy.stretched_nmf",
   "project_short_description": "A python package implementing the stretched NMF algorithm.",
   "project_keywords": "diffraction, PDF, x-ray, mapping",
-  "minimum_supported_python_version": "3.11",
-  "maximum_supported_python_version": "3.13",
+  "minimum_supported_python_version": "3.12",
+  "maximum_supported_python_version": "3.14",
   "project_needs_c_code_compiled": "No",
   "project_has_gui_tests": "No"
 }
diff --git a/news/rem-311-add-314.rst b/news/rem-311-add-314.rst
new file mode 100644
index 0000000..761cf52
--- /dev/null
+++ b/news/rem-311-add-314.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* Add support for Python 3.14
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* End support for Python 3.11
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/pyproject.toml b/pyproject.toml
index bc0c0fb..0a18f3a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ maintainers = [
 description = "A python package implementing the stretched NMF algorithm."
 keywords = ['diffraction', 'PDF', 'x-ray', 'mapping']
 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',
 ]