Fix #1725
diff --git a/release-notes/VERSION b/release-notes/VERSION
index 77695c9..05952c3 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -5,6 +5,8 @@
 
 2.9.1 (not yet released)
 
+#1725: `NPE` In `TypeFactory. constructParametricType(...)`
+ (reported by ctytgat@github)
 - Fix `DelegatingDeserializer` constructor to pass `handledType()` (and
   not type of deserializer being delegated to!)