diff --git a/ChangeLog b/ChangeLog
index 6569b8c1d..13c027c32 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,15 @@ intervalxt Change Log
 
 .. current developments
 
+v3.13.3
+====================
+
+**Fixed:**
+
+* Fixed `FlatTriangulation::isomorphism(…, DELAUNAY_CELLS)` which got Delaunay cells wrong in the image of the isomorphism.
+
+
+
 v3.13.2
 ====================
 
diff --git a/doc/news/isomorphism-cells.rst b/doc/news/isomorphism-cells.rst
deleted file mode 100644
index 72204d425..000000000
--- a/doc/news/isomorphism-cells.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-**Fixed:**
-
-* Fixed `FlatTriangulation::isomorphism(…, DELAUNAY_CELLS)` which got Delaunay cells wrong in the image of the isomorphism.