diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index dddf08c6e..101191acd 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,12 @@
+DIALS 3.15.1 (2023-06-29)
+=========================
+
+Bugfixes
+--------
+
+- ``dxtbx.dlsnxs2cbf``: Fix import overwritten by local variable. (`#641 <https://github.com/cctbx/dxtbx/issues/641>`_)
+
+
 dxtbx 3.15.0 (2023-06-13)
 =========================
 
diff --git a/newsfragments/641.bugfix b/newsfragments/641.bugfix
deleted file mode 100644
index 3012098b5..000000000
--- a/newsfragments/641.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-``dxtbx.dlsnxs2cbf``: Fix import overwritten by local variable.