diff --git a/news/python313.rst b/news/python313.rst
new file mode 100644
index 0000000..4b34bb4
--- /dev/null
+++ b/news/python313.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* Support for Python 3.13
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* Support for Python 3.10
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/pyproject.toml b/pyproject.toml
index 3508439..f3ba392 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ maintainers = [
 description = "Tools for processing x-ray powder diffraction data from laboratory sources."
 keywords = ['powder xrd', 'absorption correction', 'pdf', 'diffpy']
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.11, <3.14"
 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 :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
         'Topic :: Scientific/Engineering :: Physics',
         'Topic :: Scientific/Engineering :: Chemistry',
 ]