diff --git a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
index 40b452b..8747efc 100644
--- a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
+++ b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
@@ -17,5 +17,6 @@ jobs:
       project: diffpy.apps
       c_extension: false
       headless: false
+      python_versions: 3.12, 3.13
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/news/ci-python-version.rst b/news/ci-python-version.rst
new file mode 100644
index 0000000..5016889
--- /dev/null
+++ b/news/ci-python-version.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* No news added: Use ``python=3.12, 3.13`` in the CI because ``diffpy.cmi`` doesn't support ``python=3.14`` for now.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>