diff --git a/news/py10.rst b/news/py10.rst
new file mode 100644
index 0000000..b41da42
--- /dev/null
+++ b/news/py10.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* Add back support for Python 3.10 and 3.11.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/pyproject.toml b/pyproject.toml
index b7ac149..4c359ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ 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 = ">=3.12, <3.15"
+requires-python = ">=3.10, <3.15"
 classifiers = [
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',
@@ -28,6 +28,8 @@ 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',
         'Programming Language :: Python :: 3.14',